/* BLOCK DESIGN - OFFICIAL STYLE SHEET v2.2
   Premium Digital Transformation Positioning
*/

:root {
    --bg: #050508;
    --card: rgba(17, 19, 26, 0.85);
    --primary: #00A8FF;
    --accent: #00E0FF;
    --text: #F8F9FA;
    --glass: rgba(255, 255, 255, 0.08);
}

* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    -webkit-tap-highlight-color: transparent; 
}

html, body {
    width: 100%;
    overflow-x: hidden;
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    line-height: 1.8;
    scroll-behavior: smooth;
}

/* Barra de Progresso Superior */
#progress { 
    position: fixed; 
    top: 0; 
    left: 0; 
    height: 3px; 
    background: linear-gradient(90deg, var(--primary), var(--accent)); 
    z-index: 2000; 
    width: 0%;
}

/* Header & Menu Premium (Ajustado para Samsung/Mobile) */
header { 
    position: fixed; 
    width: 100%; 
    top: 0; 
    left: 0; 
    z-index: 1500; 
    padding: 20px;
    display: flex;
    justify-content: center;
}

nav { 
    background: rgba(10, 10, 15, 0.8); 
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass); 
    padding: 10px 25px; 
    border-radius: 100px;
    display: flex; 
    gap: 25px; 
    align-items: center; 
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    transition: all 0.4s ease;
}

header.nav-scrolled nav {
    padding: 8px 20px;
    background: rgba(5, 5, 8, 0.95);
    transform: scale(0.95);
}

.logo-text { 
    font-weight: 800; 
    font-size: 1.1rem; 
    color: #fff; 
    text-decoration: none; 
    letter-spacing: -1px; 
}

nav a.nav-link { 
    color: var(--text); 
    text-decoration: none; 
    font-size: 0.85rem; 
    font-weight: 600; 
    opacity: 0.7; 
    transition: 0.3s;
}

nav a.nav-link:hover { opacity: 1; color: var(--accent); }

/* Hero Section - Impacto Visual */
section { 
    padding: 120px 24px 80px; 
    max-width: 1200px; 
    margin: 0 auto; 
}

.hero { 
    height: 100vh;
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
    align-items: center; 
    text-align: center;
    background: radial-gradient(circle at center, rgba(0, 168, 255, 0.08) 0%, transparent 70%);
}

h1 { 
    font-size: clamp(2.4rem, 8vw, 4.2rem); 
    font-weight: 800; 
    line-height: 1.1; 
    margin-bottom: 25px; 
    color: #fff;
    letter-spacing: -2px;
}

h1 strong {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: clamp(1.8rem, 5vw, 2.6rem);
    margin-bottom: 40px;
    font-weight: 700;
    color: var(--accent);
    text-align: center;
}

/* Grid de Conteúdo e Cards */
.grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 30px; 
}

.card { 
    background: var(--card); 
    padding: 45px; 
    border-radius: 28px; 
    border: 1px solid var(--glass);
    transition: all 0.5s cubic-bezier(0.2, 1, 0.3, 1);
    backdrop-filter: blur(10px);
}

.card:hover { 
    transform: translateY(-12px); 
    border-color: var(--primary); 
    box-shadow: 0 25px 50px rgba(0,0,0,0.5); 
}

.card h3 { color: #fff; margin-bottom: 15px; font-size: 1.4rem; }

/* Botões de Conversão */
.btn {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    color: #fff; 
    padding: 20px 45px; 
    border-radius: 100px;
    text-decoration: none; 
    font-weight: 800; 
    display: inline-block;
    transition: 0.4s; 
    text-transform: uppercase; 
    letter-spacing: 1px;
    font-size: 0.9rem;
    box-shadow: 0 10px 30px rgba(0, 168, 255, 0.3);
}

.btn:hover { transform: scale(1.05); filter: brightness(1.1); }

/* Ajustes Específicos Mobile */
@media (max-width: 768px) {
    nav a.nav-link { display: none; } /* Mantém menu minimal no mobile */
    section { padding-top: 100px; }
    .btn { width: 100%; text-align: center; }
}