/* ==========================================================
   360 SAAS — Custom CSS
   ========================================================== */

/* ── Calibration: text colour transition thresholds ── */
:root {
  --hero-text-transition-start: 0.55;
  --hero-text-transition-end: 0.85;
}

/* ── Global ── */
::selection {
  background: rgba(255, 255, 255, 0.2);
}

html {
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: none;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-display: swap;
}

/* ── Reveal animations ── */
/* Progressive enhancement: visible by default, GSAP hides via gsap.set() */
.reveal {
  opacity: 1;
  transform: none;
  transition: transform 700ms ease-out, opacity 700ms ease-out;
  will-change: transform, opacity;
}

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

/* ── Capability chevron nudge ── */
.chevron-nudge {
  transition: transform 300ms ease, color 300ms ease;
}

.group:hover .chevron-nudge {
  transform: translateX(2px);
  color: white;
}

/* ==========================================================
   TEXT COLOUR TRANSITION SYSTEM
   data-hero-phase="light"    → white text (cube phase)
   data-hero-phase="dark"     → dark text (white background)
   data-hero-phase="transitioning" → smooth crossfade
   ========================================================== */

/* ── All text starts white (default: light phase) ── */
.text-dynamic {
  transition: color 600ms ease;
}

/* ── Glass elements adapt to background ── */
.glass-dynamic {
  transition: background-color 600ms ease, border-color 600ms ease, color 600ms ease;
}

/* ── Light phase (0-55%): white text on dark video ── */
[data-hero-phase="light"] .text-dynamic {
  color: #ffffff;
}
[data-hero-phase="light"] .text-dynamic-subtle {
  color: rgba(255,255,255,0.8);
}
[data-hero-phase="light"] .text-dynamic-muted {
  color: rgba(255,255,255,0.6);
}
[data-hero-phase="light"] .glass-dynamic {
  background-color: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.15);
}

/* ── Transitioning phase (55-85%): mix, add dark text-shadow for readability ── */
[data-hero-phase="transitioning"] .text-dynamic {
  color: #333333;
  text-shadow: 0 1px 3px rgba(255,255,255,0.3);
}
[data-hero-phase="transitioning"] .text-dynamic-subtle {
  color: rgba(50,50,50,0.85);
}
[data-hero-phase="transitioning"] .text-dynamic-muted {
  color: rgba(50,50,50,0.6);
}

/* ── Dark phase (85-100%): dark text on white background ── */
[data-hero-phase="dark"] .text-dynamic {
  color: #0a0a0a;
}
[data-hero-phase="dark"] .text-dynamic-subtle {
  color: rgba(10,10,10,0.8);
}
[data-hero-phase="dark"] .text-dynamic-muted {
  color: rgba(10,10,10,0.55);
}
[data-hero-phase="dark"] .glass-dynamic {
  background-color: rgba(0,0,0,0.06);
  border-color: rgba(0,0,0,0.1);
}

/* ── Badge border adapts ── */
[data-hero-phase="dark"] .badge-dynamic {
  border-left-color: #0a0a0a;
}
[data-hero-phase="light"] .badge-dynamic,
[data-hero-phase="transitioning"] .badge-dynamic {
  border-left-color: #ffffff;
}

/* ── CTA buttons — base (light phase: dark bg) ── */
.cta-primary {
  background-color: #3B82F6;
  color: #ffffff;
  transition: background-color 500ms ease, color 500ms ease;
}
.cta-primary:hover {
  background-color: #2563eb;
}

.cta-secondary {
  border: 1px solid rgba(255,255,255,0.25);
  color: #ffffff;
  background-color: transparent;
  transition: border-color 500ms ease, background-color 500ms ease, color 500ms ease;
}
.cta-secondary:hover {
  border-color: rgba(255,255,255,0.45);
  background-color: rgba(255,255,255,0.08);
}

/* ── CTA buttons adapt —— dark phase (light bg) ── */
[data-hero-phase="dark"] .cta-primary {
  background-color: #0a0a0a;
  color: #ffffff;
}
[data-hero-phase="dark"] .cta-primary:hover {
  background-color: rgba(10,10,10,0.85);
}
[data-hero-phase="dark"] .cta-secondary {
  border-color: rgba(10,10,10,0.25);
  color: #0a0a0a;
  background-color: rgba(10,10,10,0.06);
}
[data-hero-phase="dark"] .cta-secondary:hover {
  background-color: rgba(10,10,10,0.12);
}

/* ── CTA buttons — transitioning phase ── */
[data-hero-phase="transitioning"] .cta-primary {
  background-color: #3B82F6;
  color: #ffffff;
}
[data-hero-phase="transitioning"] .cta-secondary {
  border-color: rgba(80,80,80,0.3);
  color: #333333;
  background-color: rgba(0,0,0,0.04);
}

/* ── Contact card adapts ── */
[data-hero-phase="dark"] .contact-card-dynamic img {
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
[data-hero-phase="dark"] .contact-card-dynamic a {
  background-color: #0a0a0a;
  color: #ffffff;
}

/* ── Capability panel rows adapt ── */
[data-hero-phase="dark"] .cap-row:hover {
  background-color: rgba(0,0,0,0.03);
}

/* ==========================================================
   Canvas / Video
   ========================================================== */

#video-canvas {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  opacity: 0.7;
}

#video-canvas.canvas-ready {
  opacity: 1 !important;
}

#video-poster,
#video-source {
  transition: opacity 500ms ease;
}

/* ── Glass elements: GPU acceleration ── */
.bg-white\/15,
.bg-white\/10,
.backdrop-blur-md {
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

/* ── Images rendering ── */
img {
  image-rendering: auto;
  content-visibility: auto;
}

/* ── Sections: off-screen optimisation ── */
section {
  content-visibility: auto;
  contain-intrinsic-size: auto 100vh;
}

/* ==========================================================
   Mobile
   ========================================================== */

@media (max-width: 767px) {
  .group .flex-1 p:last-child {
    font-size: 0.8rem;
  }

  .backdrop-blur-md {
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

  .font-mono.text-xs {
    font-size: 0.65rem;
  }

  a.rounded-full,
  a.rounded-md {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
  }
}

/* ── Fix iOS 100vh issue ── */
@supports (-webkit-touch-callout: none) {
  .min-h-screen {
    min-height: -webkit-fill-available;
  }
}

/* ============================================================
   Project Cards — Image Reveal + Magnetic Tilt
   ============================================================ */

.project-card {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transition: transform 0.15s ease-out, border-color 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(-4px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
}

/* Smooth out the image fade */
.project-card .project-image {
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Content lift on hover */
.project-card .relative.z-10 {
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reduced motion — disable tilt and transitions */
@media (prefers-reduced-motion: reduce) {
  .project-card {
    transform: none !important;
    transition: none !important;
  }
  .project-card:hover {
    transform: none !important;
  }
}

/* ── Smooth reveal on load ── */
body.loaded .reveal[style*="transition-delay: 0ms"] {
  transition-delay: 50ms !important;
}

/* ── Reduced motion (accessibility) ── */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    transform: none !important;
    opacity: 1 !important;
    transition: none !important;
  }
  #video-canvas {
    display: none;
  }
  #video-poster {
    opacity: 1 !important;
  }
}