/* GOI Systems - AI Business Solutions
   Aesthetic: Precision Intelligence - Clean, geometric, authoritative
   Colors: Deep slate with cyan accents
*/

/* ===========================
   Base & Custom Properties
   =========================== */

:root {
  --color-cyan-400: #22d3ee;
  --color-cyan-500: #06b6d4;
  --color-cyan-600: #0891b2;
  --color-slate-700: #334155;
  --color-slate-800: #1e293b;
  --color-slate-900: #0f172a;
  --color-slate-950: #0a0f1a;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Selection color */
::selection {
  background-color: var(--color-cyan-500);
  color: var(--color-slate-950);
}

/* ===========================
   Navigation
   =========================== */

.nav-blur {
  background: rgba(10, 15, 26, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(51, 65, 85, 0.3);
}

/* ===========================
   Typography
   =========================== */

.text-gradient {
  background: linear-gradient(135deg, var(--color-cyan-400) 0%, var(--color-cyan-500) 50%, var(--color-cyan-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===========================
   Hero Background
   =========================== */

.hero-grid {
  background-image:
    linear-gradient(rgba(51, 65, 85, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51, 65, 85, 0.1) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Neural network background pattern */
.neural-bg {
  background:
    radial-gradient(circle at 20% 30%, rgba(6, 182, 212, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 60%);
}

/* ===========================
   Animations - Entrance
   =========================== */

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

@keyframes fadeInBlur {
  from {
    opacity: 0;
    transform: translateY(20px);
    filter: blur(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

.fade-in-up.delay-100 { animation-delay: 0.1s; }
.fade-in-up.delay-200 { animation-delay: 0.2s; }
.fade-in-up.delay-300 { animation-delay: 0.3s; }
.fade-in-up.delay-400 { animation-delay: 0.4s; }
.fade-in-up.delay-500 { animation-delay: 0.5s; }

/* ===========================
   Animations - Floating
   =========================== */

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(3deg);
  }
}

@keyframes floatDelayed {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-15px);
  }
}

.float-animation {
  animation: float 6s ease-in-out infinite;
}

.float-animation-delayed {
  animation: floatDelayed 8s ease-in-out infinite;
  animation-delay: -2s;
}

/* ===========================
   Animations - Glow & Pulse
   =========================== */

@keyframes pulseGlow {
  0%, 100% {
    filter: drop-shadow(0 0 20px rgba(6, 182, 212, 0.3));
  }
  50% {
    filter: drop-shadow(0 0 40px rgba(6, 182, 212, 0.6));
  }
}

.pulse-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

/* ===========================
   Scroll Reveal
   =========================== */

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-on-scroll.delay-100 { transition-delay: 0.1s; }
.reveal-on-scroll.delay-200 { transition-delay: 0.2s; }
.reveal-on-scroll.delay-300 { transition-delay: 0.3s; }

/* ===========================
   Form Styles
   =========================== */

input::placeholder,
textarea::placeholder {
  color: #64748b;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25rem;
}

select option {
  background-color: var(--color-slate-900);
  color: white;
}

/* ===========================
   Button Effects
   =========================== */

button,
a[href] {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Magnetic button effect area */
.btn-magnetic {
  position: relative;
}

/* ===========================
   Beam Button Animation
   =========================== */

.btn-beam {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.btn-beam::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: conic-gradient(
    from var(--beam-angle, 0deg),
    transparent 0%,
    transparent 25%,
    var(--color-cyan-400) 30%,
    var(--color-cyan-500) 35%,
    transparent 40%,
    transparent 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: beam-rotate 3s linear infinite;
  z-index: -1;
}

.btn-beam::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: inherit;
  z-index: -2;
}

@keyframes beam-rotate {
  0% {
    --beam-angle: 0deg;
  }
  100% {
    --beam-angle: 360deg;
  }
}

/* Fallback for browsers without @property support */
@supports not (background: conic-gradient(from var(--beam-angle, 0deg), red, blue)) {
  .btn-beam::before {
    animation: beam-rotate-fallback 3s linear infinite;
  }

  @keyframes beam-rotate-fallback {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }
}

/* Register custom property for animation */
@property --beam-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

/* Beam button variant - outline style */
.btn-beam-outline {
  position: relative;
  overflow: hidden;
  background: transparent;
  border: 1px solid transparent;
}

.btn-beam-outline::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  padding: 2px;
  background: conic-gradient(
    from var(--beam-angle, 0deg),
    var(--color-slate-700) 0%,
    var(--color-slate-700) 25%,
    var(--color-cyan-400) 30%,
    var(--color-cyan-500) 35%,
    var(--color-slate-700) 40%,
    var(--color-slate-700) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: beam-rotate 3s linear infinite;
  z-index: -1;
}

.btn-beam-outline:hover::before {
  background: conic-gradient(
    from var(--beam-angle, 0deg),
    var(--color-slate-600) 0%,
    var(--color-slate-600) 20%,
    var(--color-cyan-400) 25%,
    var(--color-cyan-500) 35%,
    var(--color-cyan-400) 40%,
    var(--color-slate-600) 45%,
    var(--color-slate-600) 100%
  );
}

/* ===========================
   Card Hover Effects
   =========================== */

.group:hover .iconify {
  transform: scale(1.1);
}

/* ===========================
   Counter Animation
   =========================== */

.counter {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ===========================
   Scrollbar Styling
   =========================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-slate-900);
}

::-webkit-scrollbar-thumb {
  background: var(--color-slate-700);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-slate-600);
}

/* ===========================
   Loading States
   =========================== */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-slate-800) 25%,
    var(--color-slate-700) 50%,
    var(--color-slate-800) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ===========================
   Responsive Adjustments
   =========================== */

@media (max-width: 768px) {
  .hero-grid {
    background-size: 40px 40px;
  }

  .float-animation,
  .float-animation-delayed {
    animation: none;
  }
}

@media (max-width: 640px) {
  .reveal-on-scroll {
    transform: translateY(20px);
  }
}

/* ===========================
   Print Styles
   =========================== */

@media print {
  .nav-blur,
  .float-animation,
  .float-animation-delayed {
    display: none;
  }

  body {
    background: white;
    color: black;
  }
}