/* Custom styles for SENSE Home Project */
:root {
  --radius: 0.25rem;
  --background: oklch(0.985 0.003 60);
  --foreground: oklch(0.14 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.14 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.14 0 0);
  --primary: oklch(0.14 0 0);
  --primary-foreground: oklch(0.985 0.003 60);
  --secondary: oklch(0.92 0.012 70);
  --secondary-foreground: oklch(0.14 0 0);
  --muted: oklch(0.94 0.008 70);
  --muted-foreground: oklch(0.45 0.005 60);
  --accent: oklch(0.88 0.018 75);
  --accent-foreground: oklch(0.14 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --destructive-foreground: oklch(0.985 0 0);
  --border: oklch(0.87 0.01 70);
  --input: oklch(0.87 0.01 70);
  --ring: oklch(0.14 0 0);
  --beige: oklch(0.87 0.045 74);
  --beige-dark: oklch(0.78 0.02 70);
  --ink: oklch(0.14 0 0);
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: Calibri, "Carlito", "Segoe UI", sans-serif;
  font-weight: 400;
  letter-spacing: 0.01em;
}

h1, h2, h3, h4 {
  font-family: "EB Garamond", "Garamond", serif;
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* Force solid black header and white logo */
header.fixed {
  background-color: #000000 !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

header.fixed img {
  filter: none !important;
}

/* Custom utility for letter spacing */
.tracking-wider-plus {
  letter-spacing: 0.25em;
}

/* Custom transitions and scroll behaviors */
html {
  scroll-behavior: smooth;
}

/* Floating WhatsApp Button Animation */
@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

.whatsapp-float-btn {
  animation: whatsapp-pulse 2s infinite;
}

/* 3D Scroll Reveal Effects */
.reveal-3d-container {
  perspective: 1200px;
}

.reveal-3d {
  opacity: 0;
  transform: translateY(80px) rotateX(12deg) scale(0.96);
  transform-origin: top center;
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-3d.active {
  opacity: 1;
  transform: translateY(0) rotateX(0) scale(1);
}

/* Staggered delays for columns or cards */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* Left slide with 3D Y rotation */
.reveal-3d-left {
  opacity: 0;
  transform: translateX(-100px) rotateY(15deg) scale(0.96);
  transform-origin: left center;
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-3d-left.active {
  opacity: 1;
  transform: translateX(0) rotateY(0) scale(1);
}

/* Right slide with 3D Y rotation */
.reveal-3d-right {
  opacity: 0;
  transform: translateX(100px) rotateY(-15deg) scale(0.96);
  transform-origin: right center;
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-3d-right.active {
  opacity: 1;
  transform: translateX(0) rotateY(0) scale(1);
}