/* ============================================
   SKYLINE SOUND — Cinematic Music Production
   Premium Design System
   ============================================ */

/* ============================================
   CUSTOM PROPERTIES & COLOR PALETTE
   ============================================ */
:root {
  /* Brand Colors */
  --jet-black: #0A0A0A;
  --electric-blue: #0074FF;
  --chrome-silver: #C0C0C0;
  --pure-white: #FFFFFF;
  
  /* Extended Palette */
  --dark-grey: #1A1A1A;
  --mid-grey: #2A2A2A;
  --light-grey: #888888;
  --blue-glow: rgba(0, 116, 255, 0.3);
  --blue-subtle: rgba(0, 116, 255, 0.1);
  
  /* Typography */
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-xxl: 8rem;
  
  /* Animation Timing */
  --ease-smooth: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --duration-fast: 0.3s;
  --duration-base: 0.6s;
  --duration-slow: 1.2s;
  
  /* Layout */
  --max-width: 1400px;
  --header-height: 80px;
}

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

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--chrome-silver);
  background-color: var(--jet-black);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-smooth);
}

a:hover {
  color: var(--electric-blue);
}

/* ============================================
   TYPOGRAPHY SYSTEM
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.05em;
  color: var(--pure-white);
  text-transform: uppercase;
  word-break: keep-all;
  overflow-wrap: normal;
  hyphens: none;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

h4 {
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

p {
  margin-bottom: var(--space-sm);
  font-weight: 300;
  max-width: 70ch;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.lead {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  line-height: 1.6;
  color: var(--light-grey);
  font-weight: 400;
}

.tagline {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2vw, 1.2rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--electric-blue);
  font-weight: 300;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.8) 100%);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(192, 192, 192, 0.1);
  transition: background var(--duration-fast) var(--ease-smooth);
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.98);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 65px;
  transition: transform var(--duration-fast) var(--ease-smooth);
}

.logo:hover {
  transform: translateY(-2px);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.main-nav a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  position: relative;
  padding: 0.5rem 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--electric-blue);
  transition: width var(--duration-fast) var(--ease-smooth);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--chrome-silver);
  transition: all var(--duration-fast) var(--ease-smooth);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--jet-black);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.parallax-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  will-change: transform;
}

.parallax-layer-1 {
  background: linear-gradient(135deg, var(--jet-black) 0%, var(--dark-grey) 100%);
  z-index: 1;
}

.parallax-layer-2 {
  background-image: 
    radial-gradient(circle at 20% 50%, var(--blue-glow) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, var(--blue-glow) 0%, transparent 50%);
  z-index: 2;
  opacity: 0.4;
}

.parallax-layer-3 {
  z-index: 3;
  opacity: 0.6;
}

/* Animated overlay grid */
.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(192, 192, 192, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(192, 192, 192, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 4;
  animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.15; }
}

/* Waveform visualization */
.waveform-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 150px;
  z-index: 5;
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  padding: 0 5%;
  opacity: 0.2;
}

.wave-bar {
  width: 3px;
  background: linear-gradient(to top, var(--electric-blue), var(--chrome-silver));
  animation: waveform 2s ease-in-out infinite;
  transform-origin: bottom;
}

.wave-bar:nth-child(1) { height: 40%; animation-delay: 0s; }
.wave-bar:nth-child(2) { height: 70%; animation-delay: 0.1s; }
.wave-bar:nth-child(3) { height: 50%; animation-delay: 0.2s; }
.wave-bar:nth-child(4) { height: 90%; animation-delay: 0.3s; }
.wave-bar:nth-child(5) { height: 60%; animation-delay: 0.4s; }
.wave-bar:nth-child(6) { height: 80%; animation-delay: 0.5s; }
.wave-bar:nth-child(7) { height: 45%; animation-delay: 0.6s; }
.wave-bar:nth-child(8) { height: 75%; animation-delay: 0.7s; }
.wave-bar:nth-child(9) { height: 55%; animation-delay: 0.8s; }
.wave-bar:nth-child(10) { height: 65%; animation-delay: 0.9s; }

@keyframes waveform {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(1.5); }
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 var(--space-md);
  max-width: 1000px;
}

.hero h1 {
  margin-bottom: var(--space-sm);
  text-shadow: 0 0 40px rgba(0, 116, 255, 0.3);
  animation: fadeInUp 1.2s var(--ease-smooth) backwards;
}

.hero .tagline {
  margin-bottom: var(--space-lg);
  animation: fadeInUp 1.2s var(--ease-smooth) 0.2s backwards;
}

.hero .lead {
  margin: 0 auto var(--space-lg);
  animation: fadeInUp 1.2s var(--ease-smooth) 0.4s backwards;
}

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

.scroll-indicator {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  animation: bounce 2s infinite;
}

.scroll-indicator::before {
  content: '';
  display: block;
  width: 20px;
  height: 30px;
  border: 2px solid var(--chrome-silver);
  border-radius: 15px;
  position: relative;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--electric-blue);
  border-radius: 2px;
  animation: scrollWheel 2s infinite;
}

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

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

/* ============================================
   BUTTONS & CTAs
   ============================================ */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  border: 2px solid;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: var(--electric-blue);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width var(--duration-base) var(--ease-smooth), 
              height var(--duration-base) var(--ease-smooth);
  z-index: -1;
}

.btn:hover::before {
  width: 300%;
  height: 300%;
}

.btn-primary {
  background: var(--electric-blue);
  border-color: var(--electric-blue);
  color: var(--pure-white);
}

.btn-primary:hover {
  background: transparent;
  color: var(--electric-blue);
  box-shadow: 0 0 20px var(--blue-glow);
}

.btn-secondary {
  background: transparent;
  border-color: var(--chrome-silver);
  color: var(--chrome-silver);
}

.btn-secondary:hover {
  border-color: var(--electric-blue);
  color: var(--pure-white);
  box-shadow: 0 0 20px var(--blue-glow);
}

/* ============================================
   SECTION LAYOUTS
   ============================================ */
section {
  padding: var(--space-xxl) var(--space-md);
  position: relative;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

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

.section-header .tagline {
  display: block;
  margin-bottom: var(--space-sm);
}

.divider {
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--electric-blue), transparent);
  margin: var(--space-md) auto;
  position: relative;
}

.divider::before,
.divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--electric-blue);
  border-radius: 50%;
  transform: translateY(-50%);
}

.divider::before { left: -15px; }
.divider::after { right: -15px; }

/* ============================================
   GRID SYSTEMS
   ============================================ */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ============================================
   CARDS & PANELS
   ============================================ */
.card {
  background: linear-gradient(135deg, var(--dark-grey) 0%, var(--mid-grey) 100%);
  border: 1px solid rgba(192, 192, 192, 0.1);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-smooth);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 116, 255, 0.1), transparent);
  transition: left var(--duration-slow) var(--ease-smooth);
}

.card:hover::before {
  left: 100%;
}

.card:hover {
  border-color: var(--electric-blue);
  box-shadow: 0 10px 40px rgba(0, 116, 255, 0.2);
  transform: translateY(-5px);
}

.card-icon {
  font-size: 3rem;
  color: var(--electric-blue);
  margin-bottom: var(--space-md);
  display: block;
  flex-shrink: 0;
}

.card h3 {
  color: var(--pure-white);
  margin-bottom: var(--space-sm);
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
  line-height: 1.4;
  letter-spacing: 0.03em;
  white-space: normal;
}

.card p {
  color: var(--light-grey);
  font-size: 0.95rem;
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.7;
  flex-grow: 1;
}

/* ============================================
   IMAGE TREATMENTS
   ============================================ */
.img-container {
  position: relative;
  overflow: hidden;
  background: var(--dark-grey);
}

.img-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 116, 255, 0.2) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-smooth);
}

.img-container:hover::after {
  opacity: 1;
}

.img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-smooth);
}

.img-container:hover img {
  transform: scale(1.05);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
  margin-bottom: var(--space-md);
}

label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--chrome-silver);
  margin-bottom: var(--space-xs);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 1rem;
  background: rgba(26, 26, 26, 0.8);
  border: 1px solid rgba(192, 192, 192, 0.2);
  color: var(--pure-white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--duration-fast) var(--ease-smooth);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--electric-blue);
  box-shadow: 0 0 0 3px var(--blue-subtle);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: linear-gradient(180deg, var(--jet-black) 0%, #000000 100%);
  border-top: 1px solid rgba(192, 192, 192, 0.1);
  padding: var(--space-xl) var(--space-md) var(--space-md);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-section h4 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  color: var(--electric-blue);
}

.footer-section p,
.footer-section a {
  font-size: 0.9rem;
  color: var(--light-grey);
  line-height: 1.8;
}

.footer-section a:hover {
  color: var(--pure-white);
}

.footer-nav ul {
  list-style: none;
}

.footer-nav li {
  margin-bottom: var(--space-xs);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(192, 192, 192, 0.1);
  color: var(--light-grey);
  font-size: 0.85rem;
}

.footer-bottom p {
  margin: 0 auto;
  max-width: 800px;
}

.company-info {
  margin: var(--space-sm) auto 0;
  font-size: 0.8rem;
  opacity: 0.7;
  max-width: 800px;
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-smooth);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-smooth);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-smooth);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.bg-dark { background-color: var(--dark-grey); }
.bg-darker { background-color: var(--jet-black); }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  :root {
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-xxl: 5rem;
  }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    transition: right var(--duration-base) var(--ease-smooth);
    padding: var(--space-lg);
  }
  
  .main-nav.active {
    right: 0;
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .main-nav a {
    font-size: 1.2rem;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .card {
    min-height: auto;
  }
  
  h3 {
    font-size: 1.2rem;
    letter-spacing: 0.03em;
  }
}

@media (max-width: 480px) {
  .logo {
    height: 50px;
  }
  
  .btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.8rem;
  }
  
  .card {
    min-height: auto;
    padding: 1.5rem;
  }
  
  .card h3 {
    font-size: 1.1rem;
    letter-spacing: 0.02em;
  }
  
  h3 {
    font-size: 1.15rem;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--electric-blue);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}