@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Paleta Premium Tailwind-like */
    --cor-primaria: #10B981; /* Emerald 500 */
    --cor-primaria-hover: #059669; /* Emerald 600 */
    --cor-secundaria: #3B82F6; /* Blue 500 */
    --cor-secundaria-hover: #2563EB; /* Blue 600 */
    
    --cor-fundo: #0B1120; /* Slate 950 ultra dark */
    --cor-fundo-card: rgba(30, 41, 59, 0.4); 
    --cor-texto: #F8FAFC; /* Slate 50 */
    --cor-texto-mutado: #94A3B8; /* Slate 400 */
    --cor-borda: rgba(255, 255, 255, 0.08);
    --cor-branco: #FFFFFF;

    /* Gradientes Modernos */
    --gradiente-primario: linear-gradient(135deg, var(--cor-primaria) 0%, var(--cor-secundaria) 100%);
    --gradiente-texto: linear-gradient(to right, #6EE7B7, #3B82F6);
    --gradiente-fundo: radial-gradient(circle at top left, rgba(59, 130, 246, 0.1), transparent 40%),
                       radial-gradient(circle at bottom right, rgba(16, 185, 129, 0.1), transparent 40%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html, body {
    background-color: var(--cor-fundo);
    background-image: var(--gradiente-fundo);
    background-attachment: fixed;
    color: var(--cor-texto);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    max-width: 100vw;
}

/* Animação Inicial de Entrada (Fade & Slide Up) */
.animate-enter {
    animation: fadeSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }

@keyframes fadeSlideUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header & Navigation */
header {
    background: rgba(11, 17, 32, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--cor-borda);
    padding: 18px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header h1 {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: var(--gradiente-texto);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
    cursor: pointer;
}

nav {
    display: flex;
    gap: 15px;
}

nav a {
    color: var(--cor-texto-mutado);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    padding: 8px 14px;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--cor-branco);
}

/* Container Global */
.container {
    padding: 60px 20px;
    max-width: 1000px;
    margin: 0 auto;
    flex: 1;
    width: 100%;
}

/* Glass Cards Premium */
.card-glass {
    background: var(--cor-fundo-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--cor-borda);
    border-radius: 20px;
    padding: 35px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15); /* Sombra mais leve */
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; /* Remoção do all para performance */
    position: relative;
    overflow: hidden;
}

.card-glass::before {
    content: "";
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.03), transparent);
    transform: skewX(-20deg);
    transition: 0.5s;
}

.card-glass:hover::before {
    left: 150%;
}

.card-glass:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4), 0 0 20px rgba(16, 185, 129, 0.1);
}

/* Base Titles */
h2.title-glow {
    font-size: 36px;
    font-weight: 800;
    color: var(--cor-branco);
    margin-bottom: 15px;
    letter-spacing: -1px;
}

p.subtitle {
    color: var(--cor-texto-mutado);
    font-size: 18px;
    line-height: 1.6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--cor-primaria);
    color: var(--cor-fundo);
    padding: 14px 32px;
    text-decoration: none;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
    background: var(--cor-primaria-hover);
}

.btn-secundario {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--cor-borda);
    color: var(--cor-branco);
    box-shadow: none;
}

.btn-secundario:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    background: transparent;
    border-top: 1px solid var(--cor-borda);
    color: var(--cor-texto-mutado);
    font-size: 14px;
    margin-top: auto;
}

footer a {
    color: var(--cor-primaria);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

footer a:hover {
    color: var(--cor-branco);
}

/* Mobile */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
    }
    .container {
        padding: 40px 15px;
    }
    .card-glass {
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        padding: 25px;
    }
    .card-glass:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
    }
    .card-glass::before {
        display: none; /* Remove efeito custoso no mobile */
    }
}