/* ==============================================
   JRTECH - Design System Global
   Variáveis, Reset, Tipografia e Utilitários
   ============================================== */

:root {
    /* Cores Primárias */
    --bg-dark: hsl(220, 50%, 6%);
    --bg-surface: hsl(220, 45%, 10%);
    --bg-card: hsl(220, 40%, 13%);
    --primary: hsl(210, 100%, 56%);
    --primary-hover: hsl(210, 100%, 64%);
    --primary-glow: hsla(210, 100%, 56%, 0.35);
    --accent: hsl(38, 100%, 55%);
    --accent-glow: hsla(38, 100%, 55%, 0.25);
    --success: hsl(152, 69%, 45%);
    --danger: hsl(0, 84%, 60%);
    --text-main: hsl(210, 40%, 96%);
    --text-muted: hsl(215, 20%, 60%);
    --text-heading: hsl(0, 0%, 100%);

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --glass-hover-border: rgba(255, 255, 255, 0.15);

    /* Espaçamento */
    --section-padding: clamp(4rem, 8vw, 7rem);
    --container-max: 1200px;

    /* Transições */
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.7;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at 10% 20%, hsla(210, 100%, 56%, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 80%, hsla(38, 100%, 55%, 0.05) 0%, transparent 50%);
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol { list-style: none; }

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Tipografia */
h1, h2, h3, h4, h5 {
    line-height: 1.2;
    font-weight: 800;
    color: var(--text-heading);
}

h1 {
    font-size: clamp(2.2rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; font-weight: 700; }

p {
    color: var(--text-muted);
    font-size: clamp(0.95rem, 1.1vw, 1.1rem);
    margin-bottom: 1rem;
    font-weight: 400;
}

/* Texto gradiente */
.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Texto de destaque */
.text-accent { color: var(--accent); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

/* Seções */
section { padding: var(--section-padding) 0; }

.section-title {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-title span {
    color: var(--primary);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    max-width: 650px;
    margin: 1rem auto 0;
    text-align: center;
}

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

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}

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

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 4px 20px var(--primary-glow); }
    50% { box-shadow: 0 4px 40px var(--primary-glow), 0 0 60px var(--primary-glow); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Reveal (JS) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s var(--ease-smooth);
}

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

/* Seleção de texto */
::selection {
    background: var(--primary);
    color: white;
}

/* Scrollbar customizada */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--primary); }