@import "tailwindcss";

@theme inline {
  --color-background: #060810;
  --color-foreground: #e2e8f0;
  --font-sans: var(--font-geist-sans);
  --font-mono: var(--font-geist-mono);

  --animate-fade-in: fadeIn 0.8s ease-out both;
  --animate-slide-up: slideUp 0.8s ease-out both;
  --animate-glow: glow 3s ease-in-out infinite alternate;
  --animate-float: float 6s ease-in-out infinite;
  --animate-gradient: gradientShift 8s ease infinite;
  --animate-blink: blink 1s step-end infinite;
  --animate-spin-slow: spinSlow 25s linear infinite;
  --animate-pulse-slow: pulseSlow 5s ease-in-out infinite;
  --animate-shimmer: shimmerSlide 3s ease infinite;
  --animate-scan: scanLine 4s linear infinite;
  --animate-aurora-1: aurora1 18s ease-in-out infinite alternate;
  --animate-aurora-2: aurora2 23s ease-in-out infinite alternate-reverse;
  --animate-aurora-3: aurora3 15s ease-in-out infinite alternate;
  --animate-border-glow: borderGlow 3s ease-in-out infinite alternate;
}

:root {
  --background: #060810;
  --foreground: #e2e8f0;
}

body {
  background: var(--background);
  color: var(--foreground);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes glow {
  from {
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.15), 0 0 40px rgba(6, 182, 212, 0.05);
  }
  to {
    box-shadow: 0 0 40px rgba(6, 182, 212, 0.45), 0 0 80px rgba(6, 182, 212, 0.2), 0 0 120px rgba(6, 182, 212, 0.05);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  33% { transform: translateY(-14px); }
  66% { transform: translateY(-7px); }
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulseSlow {
  0%, 100% { opacity: 0.12; transform: scale(0.97); }
  50% { opacity: 0.35; transform: scale(1.03); }
}

@keyframes shimmerSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

@keyframes scanLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(500%); }
}

/* ── Glassmorphism ─────────────────────────────────────────── */
.glass {
  background: rgba(255, 255, 255, 0.025);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.glass-heavy {
  background: rgba(6, 8, 16, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* ── Gradient text ─────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, #22d3ee 0%, #a78bfa 55%, #22d3ee 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 8s ease infinite;
}

/* ── Grid background ───────────────────────────────────────── */
.grid-bg {
  background-image:
    linear-gradient(rgba(6, 182, 212, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 182, 212, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ── Card hover glow ───────────────────────────────────────── */
.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-3px);
  border-color: rgba(6, 182, 212, 0.3) !important;
  box-shadow:
    0 0 0 1px rgba(6, 182, 212, 0.06),
    0 16px 48px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(6, 182, 212, 0.08);
}

/* ── Neon glow border ──────────────────────────────────────── */
.neon-cyan {
  box-shadow:
    0 0 0 1px rgba(6, 182, 212, 0.5),
    0 0 16px rgba(6, 182, 212, 0.2);
}

/* ── Shimmer overlay ───────────────────────────────────────── */
.shimmer {
  position: relative;
  overflow: hidden;
}
.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.04), transparent);
  animation: shimmerSlide 3s ease infinite;
  pointer-events: none;
}

/* ── Terminal scan effect ──────────────────────────────────── */
.terminal-scan {
  position: relative;
  overflow: hidden;
}
.terminal-scan::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to bottom, transparent, rgba(6, 182, 212, 0.025), transparent);
  animation: scanLine 4s linear infinite;
  pointer-events: none;
  z-index: 1;
}

/* ── Step connector line ───────────────────────────────────── */
.step-connector {
  position: relative;
}
.step-connector::after {
  content: '';
  position: absolute;
  top: 20px;
  left: calc(100% + 0px);
  width: calc(100% - 40px);
  height: 1px;
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.4), rgba(6, 182, 212, 0.05));
}

/* ── Aurora blob keyframes ────────────────────────────────── */
@keyframes aurora1 {
  0%   { transform: translate(  0px,   0px) scale(1.00); }
  33%  { transform: translate( 80px, -70px) scale(1.15); }
  66%  { transform: translate(-50px,  55px) scale(0.90); }
  100% { transform: translate( 25px, -20px) scale(1.05); }
}

@keyframes aurora2 {
  0%   { transform: translate(  0px,   0px) scale(1.00); }
  33%  { transform: translate(-75px,  65px) scale(0.88); }
  66%  { transform: translate( 90px, -45px) scale(1.12); }
  100% { transform: translate(-25px,  30px) scale(0.95); }
}

@keyframes aurora3 {
  0%   { transform: translate(  0px,   0px) scale(1.00); }
  33%  { transform: translate( 55px,  75px) scale(1.10); }
  66%  { transform: translate(-65px, -55px) scale(0.92); }
  100% { transform: translate( 15px,  45px) scale(1.08); }
}

/* ── Border glow pulse ─────────────────────────────────────── */
@keyframes borderGlow {
  from { box-shadow: 0 0 12px rgba(6,182,212,0.3), 0 0 24px rgba(6,182,212,0.1); }
  to   { box-shadow: 0 0 24px rgba(6,182,212,0.6), 0 0 60px rgba(6,182,212,0.25), 0 0 100px rgba(139,92,246,0.1); }
}

/* ── Spotlight card ────────────────────────────────────────── */
.spotlight {
  --mx: -9999px;
  --my: -9999px;
  position: relative;
}

.spotlight::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    280px circle at var(--mx) var(--my),
    rgba(6, 182, 212, 0.09),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 0;
}

.spotlight:hover::before {
  opacity: 1;
}

.spotlight > * {
  position: relative;
  z-index: 1;
}

/* ── Nav link underline animation ──────────────────────────── */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, #22d3ee, #818cf8);
  transition: width 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-link:hover::after {
  width: 100%;
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #060810;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}