@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Cinzel:wght@400;500;600;700;800&family=Inter:wght@200;300;400;500;600;700&family=Space+Mono&display=swap');

/* ==========================================================================
   CSS CUSTOM VARIABLES & DESIGN TOKENS
   ========================================================================== */
:root {
  --color-bg-base: #000000;
  --color-bg-onyx: #0B0C10;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: rgba(255, 255, 255, 0.7);
  --color-text-muted: rgba(255, 255, 255, 0.4);
  --color-accent-gold: #D4AF37; /* Champagne Gold matching luxury yacht evening lights */
  --color-charcoal-dark: #121212;

  --font-serif: 'Cinzel', serif;
  --font-sans: 'Inter', sans-serif;
  --font-mono: 'Space Mono', monospace;

  --transition-premium: 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  --margin-desktop: 50px;
  --margin-desktop-top: 40px;
}

/* ==========================================================================
   RESET & CORE LAYOUT SYSTEM
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100vw;
  height: 100vh;
  overflow: hidden; /* Strictly single-page application style, zero global scroll */
  background-color: var(--color-bg-base);
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   BACKGROUND MEDIA ENGINE (obsidian_loop.mp4)
   ========================================================================== */
.video-background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-color: var(--color-bg-onyx);
  overflow: hidden;
}

#obsidian-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  filter: brightness(0.85); /* Slightly dims video for dynamic contrast */
  pointer-events: none; /* User clicks pass straight through to UI */
  transform: translate3d(0, 0, 0); /* Force GPU acceleration */
  will-change: transform;
}

/* ==========================================================================
   TRANSLUCENT CONTRAST VIGNETTE (THE SHIELD)
   ========================================================================== */
.contrast-shield {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  /* Extra dark linear gradient shield to secure extreme legibility during translation animations */
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.98) 0%,
    rgba(0, 0, 0, 0.88) 35%,
    rgba(0, 0, 0, 0.55) 60%,
    rgba(0, 0, 0, 0.2) 80%,
    rgba(0, 0, 0, 0) 100%
  );
  pointer-events: none;
  mix-blend-mode: normal;
  will-change: opacity;
}

/* Add an additional subtle vignette around all borders for a cinematic look */
.cinematic-vignette {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: radial-gradient(
    circle at center,
    rgba(0, 0, 0, 0) 40%,
    rgba(0, 0, 0, 0.7) 100%
  );
  pointer-events: none;
}

/* ==========================================================================
   FOREGROUND GRID LAYOUT CONTAINER
   ========================================================================== */
.foreground-layout {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 3;
  pointer-events: none; /* Ignore pointer events on transparent layout grid */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--margin-desktop-top) var(--margin-desktop) var(--margin-desktop) var(--margin-desktop);
}

/* ==========================================================================
   HEADER SECTION & BRANDING LOGO (STRICTLY CENTERED top: 60px)
   ========================================================================== */
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.brand-logo-container {
  position: absolute;
  top: 60px; /* Strict coordinates */
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  pointer-events: auto; /* Re-enable pointer events */
  width: 240px; /* Monument scaling */
  height: auto;
  max-height: none;
}

.brand-logo-container a {
  display: block;
  text-decoration: none;
}

.brand-logo-container img {
  width: 240px;
  height: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast; /* Sharp vector rendering */
  transition: opacity var(--transition-premium), transform var(--transition-premium);
}

.brand-logo-container img:hover {
  opacity: 0.95;
  transform: scale(1.02);
}

/* Header styling cleaned: phone link removed */

/* ==========================================================================
   LEFT-FLANK KINETIC CONTAINER (left: 12vw; top: 32vh;)
   ========================================================================== */
#kinetic-container {
  position: absolute;
  left: 12vw; /* Anchored coordinates lock */
  top: 32vh;  /* Vertical anchoring lock */
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  max-width: 650px;
  z-index: 3;
  pointer-events: none; /* Let clicks pass through empty spaces */
  /* GPU-Accelerated Micro Drift Animation */
  animation: subtleMicroDrift 35s ease-in-out infinite;
  will-change: transform;
}

/* ==========================================================================
   CONTRAST DEFENSE: AMBIENT RADIAL SHADOW (z-index: 1.5)
   ========================================================================== */
.layer.shadow-layer {
  position: absolute;
  top: -100px;
  left: -100px;
  width: calc(100% + 200px);
  height: calc(100% + 200px);
  z-index: 1.5; /* Positioned perfectly behind text layers */
  pointer-events: none;
}

.shadow-overlay-glow {
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at center,
    rgba(0, 0, 0, 0.95) 0%,
    rgba(0, 0, 0, 0.6) 45%,
    rgba(0, 0, 0, 0) 75%
  );
  filter: blur(40px); /* Deep blur configuration */
  border-radius: 50%;
}

/* ==========================================================================
   INDEPENDENT STATIC LAYER STRUCTURES
   ========================================================================== */
.layer {
  width: 100%;
  display: block;
  margin: 0;
  padding: 0;
}

/* TEXT LAYERS (H1 + Description): Non-interactive, cursor passes through */
.layer:not(:has(.cta)) {
  pointer-events: none;
}

/* BUTTON LAYER (CTA): Interactive */
.layer:has(.cta) {
  pointer-events: auto;
}

/* ==========================================================================
   LAYER 1 & 2: H1 TYPOGRAPHY & TITLES
   ========================================================================== */
.title-line-1, .title-line-2 {
  font-family: 'Cormorant Garamond', var(--font-serif);
  font-size: calc(3.8rem + 1.2vw);
  font-weight: 800;
  line-height: 0.95; /* Extra tightened leading for single solid luxury block look */
  text-transform: uppercase;
  color: var(--color-text-primary);
  letter-spacing: -0.01em; /* Tight editorial tracking */
  opacity: 0;
  transform: translateY(30px);
  animation: premiumFadeUp 1.2s cubic-bezier(0.19, 1, 0.22, 1) 0.3s forwards;
  display: block;
}

/* ==========================================================================
   LAYER 3: DESCRIPTION PARAGRAPH
   ========================================================================== */
.description {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  line-height: 1.6;
  font-weight: 300; /* Delicately light font-weight for luxury contrast */
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.01em;
  max-width: 540px;
  margin-top: 2.5rem;
  opacity: 0;
  transform: translateY(30px);
  animation: premiumFadeUp 1.2s cubic-bezier(0.19, 1, 0.22, 1) 0.5s forwards;
  display: block;
}

/* ==========================================================================
   LAYER 4: KINETIC INTERACTIVE BUTTON ("GET IN TOUCH")
   ========================================================================== */
.cta, .cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 42px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50px; /* Capsule shape */
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em; /* Sharp wide letter-spacing */
  text-transform: uppercase;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  margin-top: 2.5rem;
  opacity: 0;
  transform: translateY(30px);
  animation: premiumFadeUp 1.2s cubic-bezier(0.19, 1, 0.22, 1) 0.7s forwards;
  pointer-events: auto; /* Re-enable pointer events strictly for button hover states */
  transition: all 0.3s ease; /* Butter smooth transitions */
}

/* Hover highlights */
.cta:hover, .cta-button:hover {
  transform: scale(1.05); /* Applied scale(1.05) */
  background-color: #D4AF37; /* Luxury Gold fill */
  border-color: #D4AF37;
  color: var(--color-charcoal-dark);
  box-shadow: 0 12px 35px rgba(212, 175, 55, 0.25);
}

.cta:active {
  transform: scale(0.98);
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.footer-container {
  position: fixed;
  bottom: var(--margin-desktop); /* Original coordinates */
  left: var(--margin-desktop); /* Original coordinates */
  right: var(--margin-desktop); /* Original coordinates */
  z-index: 4;
  display: flex;
  justify-content: flex-start; /* Reverted single child credits back to bottom-left corner */
  align-items: center;
  pointer-events: none; /* Ignore pointer events on transparent footer frame */
}

.footer-item {
  font-family: var(--font-sans); /* Elegant sans-serif Inter typography */
  font-size: 0.45rem; /* 40% size reduction (7.2px) for discreet designer signature */
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  pointer-events: auto; /* In case we want footer links interactive */
  opacity: 0;
  animation: premiumFadeIn 1.5s cubic-bezier(0.19, 1, 0.22, 1) 1s forwards;
}

.nextweb-credit {
  text-decoration: none;
  cursor: pointer;
  transition: color 0.8s ease; /* Premium slow 0.8s transition */
}

.nextweb-credit:hover {
  color: #D6B36A; /* Warm Yacht-Gold */
  text-decoration: none;
  box-shadow: none;
  text-shadow: none;
}

/* ==========================================================================
   HARDWARE-ACCELERATED KEYFRAMES
   ========================================================================== */
@keyframes premiumFadeUp {
  0% {
    opacity: 0;
    transform: translateY(40px) translateZ(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
}

@keyframes premiumFadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes subtleMicroDrift {
  0% {
    transform: translate3d(0, 0, 0);
  }
  25% {
    transform: translate3d(1.5px, -1px, 0);
  }
  50% {
    transform: translate3d(-1px, 1.5px, 0);
  }
  75% {
    transform: translate3d(-1.5px, -0.5px, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

/* ==========================================================================
   PREMIUM INTERACTIVE EMAIL ELEMENT (sales@obsidianyachts.com)
   ========================================================================== */
.email-contact-link {
  font-family: var(--font-sans); /* Elegant sans-serif Inter typography */
  font-size: 0.75rem; /* Exactly matches CREATED BY NEXTWEB */
  font-weight: 400; /* Exactly matches CREATED BY NEXTWEB */
  letter-spacing: 0.15em; /* Exactly matches CREATED BY NEXTWEB */
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4); /* Exactly matches CREATED BY NEXTWEB (--color-text-muted) */
  text-decoration: none;
  cursor: pointer;
  display: inline-block;
  transition: color 300ms cubic-bezier(0.25, 1, 0.5, 1);
  pointer-events: auto; /* Re-enable pointer interactions */
}

.email-contact-link:hover {
  color: #D6B36A; /* Warm Yacht-Gold */
  text-decoration: none;
  box-shadow: none;
  text-shadow: none;
}

/* Desktop positioning */
@media (min-width: 769px) {
  .desktop-only-email {
    position: fixed;
    top: 65px; /* Lowered 20px from 45px for luxury visual spacing */
    right: 48px;
    z-index: 4;
    display: inline-block !important;
  }
  .mobile-only-email {
    display: none !important;
  }
}

/* ==========================================================================
   RESPONSIVE DESIGN SYSTEM & ADAPTIVE VIEWPORTS
   ========================================================================== */
@media (max-width: 1024px) {
  :root {
    --margin-desktop: 40px;
    --margin-desktop-top: 35px;
  }
  
  .title-line-1, .title-line-2 {
    font-size: calc(2.4rem + 1.5vw);
  }
}

@media (max-width: 768px) {
  :root {
    --margin-desktop: 30px;
    --margin-desktop-top: 30px;
  }

  .foreground-layout {
    justify-content: space-between; /* Secure bottom footer clearance */
    padding-bottom: 60px; /* Safe padding for centered credits */
  }

  #kinetic-container {
    position: relative;
    left: 0;
    top: 0;
    max-width: 100%;
    margin-top: 140px; /* Safe gap below centered logo */
    margin-bottom: 2rem;
    align-items: center; /* Center-align flex items */
    text-align: center; /* Center-align text */
    padding: 0 15px; /* Side padding to prevent cropping */
  }

  .title-line-1, .title-line-2 {
    font-size: 2.2rem;
    line-height: 1.1;
    text-align: center;
    width: 100%;
  }

  .description {
    font-size: 1.05rem;
    margin-top: 28px; /* Strict 28px vertical spacing rhythm */
    max-width: 100%;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }

  .cta, .cta-button {
    margin-top: 28px; /* Strict 28px vertical spacing rhythm */
  }

  .brand-logo-container {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 160px;
  }
  
  .brand-logo-container img {
    width: 160px;
    height: auto;
    margin: 0 auto;
  }

  .footer-container {
    position: relative;
    bottom: 0;
    left: 0;
    right: 0;
    justify-content: center; /* Center footer credits on mobile */
    align-items: center;
    width: 100%;
  }

  .footer-item {
    font-size: 0.45rem; /* Unified designer signature micro sizing */
    letter-spacing: 0.15em; /* Preserved letter spacing */
    text-align: center;
  }

  .desktop-only-email {
    display: none !important;
  }

  .mobile-only-email {
    display: block !important;
    margin-top: 28px; /* Strict 28px vertical spacing rhythm */
    text-align: center;
    width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --margin-desktop: 20px;
    --margin-desktop-top: 25px;
  }

  .brand-logo-container {
    top: 25px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
  }
  
  .brand-logo-container img {
    width: 120px;
    height: auto;
  }

  #kinetic-container {
    margin-top: 100px; /* Tighten for small screens */
  }

  .title-line-1, .title-line-2 {
    font-size: 1.85rem;
  }

  .description {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-top: 28px; /* Strict 28px spacing rhythm */
  }

  .cta, .cta-button {
    padding: 15px 32px;
    font-size: 0.8rem;
    margin-top: 28px; /* Strict 28px spacing rhythm */
  }
}