/* =============================================
   TRAYON - Global Styles
   Estilos globais do projeto
   ============================================= */

/* ===== CSS RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: #0a0e27;
    color: #ffffff;
    overflow-x: hidden;
}

/* ===== COLOR VARIABLES ===== */
:root {
    /* Primary Colors */
    --cyan-400: #22d3ee;
    --cyan-500: #06b6d4;
    --cyan-600: #0891b2;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    
    /* Accent Colors */
    --purple-500: #a855f7;
    --pink-500: #ec4899;
    --yellow-400: #facc15;
    --green-500: #22c55e;
    --red-500: #ef4444;
    
    /* Neutral Colors */
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    
    /* Opacity Variants */
    --cyan-50-alpha: rgba(34, 211, 238, 0.05);
    --cyan-10-alpha: rgba(34, 211, 238, 0.1);
    --cyan-20-alpha: rgba(34, 211, 238, 0.2);
    
    /* Shadows */
    --shadow-glow-cyan: 0 0 20px rgba(6, 182, 212, 0.3);
    --shadow-glow-blue: 0 0 30px rgba(59, 130, 246, 0.4);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

p {
    line-height: 1.7;
    color: var(--gray-300);
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
    background: linear-gradient(135deg, var(--cyan-400), var(--blue-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-purple {
    background: linear-gradient(135deg, var(--purple-500), var(--pink-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== SECTION BADGE ===== */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--cyan-500), var(--blue-500));
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-glow-cyan);
}

.section-badge-yellow {
    background: linear-gradient(135deg, var(--yellow-400), #fb923c);
}

/* ===== ANIMATED BACKGROUND ===== */
.animated-bg {
    position: relative;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0a0e27 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
}

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

/* ===== GLOW ORBS (Background Effects) ===== */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    pointer-events: none;
}

.glow-orb-cyan {
    background: var(--cyan-500);
    animation: float 8s ease-in-out infinite;
}

.glow-orb-blue {
    background: var(--blue-500);
    animation: float 10s ease-in-out infinite reverse;
}

.glow-orb-purple {
    background: var(--purple-500);
    animation: float 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-30px) translateX(20px); }
}

/* ===== GRID BACKGROUND ===== */
.grid-bg {
    background-image: 
        linear-gradient(var(--cyan-10-alpha) 1px, transparent 1px),
        linear-gradient(90deg, var(--cyan-10-alpha) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveGrid 20s linear infinite;
}

@keyframes moveGrid {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ===== BUTTONS BASE ===== */
button, .btn {
    cursor: pointer;
    border: none;
    outline: none;
    transition: all 0.3s ease;
    font-family: inherit;
}

button:disabled, .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== LINKS ===== */
a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.hidden { display: none; }
.block { display: block; }

.relative { position: relative; }
.absolute { position: absolute; }

.overflow-hidden { overflow: hidden; }

/* ===== SPACING ===== */
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.pt-12 { padding-top: 3rem; }
.pt-20 { padding-top: 5rem; }
.pb-12 { padding-bottom: 3rem; }
.pb-20 { padding-bottom: 5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--cyan-500);
    border-radius: 5px;
}

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

/* ===== SELECTION ===== */
::selection {
    background: var(--cyan-500);
    color: white;
}

::-moz-selection {
    background: var(--cyan-500);
    color: white;
}