/* RESET & BASE - APPLE DARK MODE */
:root {
    --bg-color: #000000;
    --text-main: #f5f5f7;
    --text-secondary: #86868b;
    --accent: #bfa9f7; /* Tu morado */
    --accent-hover: #a38ce3;
    --nav-bg: rgba(0, 0, 0, 0.8);
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

/* NAVBAR (Sticky & Blur) */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px;
    height: 44px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-weight: 600;
    font-size: 18px;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links a {
    font-size: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 24px;
    transition: color 0.3s ease;
}

.nav-links a:hover { color: var(--text-main); }

/* LAYOUT CENTRAL (La Columna Vertebral) */
.main-container {
    max-width: 700px; /* Ancho lectura cómodo */
    margin: 0 auto;
    padding: 120px 20px 80px; /* Padding top para librar el navbar */
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* HERO SECTION */
h1 {
    font-size: 56px;
    line-height: 1.05;
    font-weight: 700;
    letter-spacing: -1.5px;
    margin-bottom: 10px;
    background: linear-gradient(180deg, #ffffff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 24px;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 40px;
    max-width: 500px;
}

/* BOTONES */
.btn-primary {
    background-color: var(--accent);
    color: #000000; /* Texto negro para contraste con el morado */
    padding: 12px 30px;
    border-radius: 980px;
    font-size: 17px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.2s, background-color 0.2s;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: scale(1.02);
}

/* IMÁGENES CENTRALES */
.hero-image {
    width: 100%;
    max-width: 300px; /* Tamaño tipo iPhone */
    height: auto;
    border-radius: 40px;
    margin: 60px 0;
    box-shadow: 0 0 50px rgba(191, 169, 247, 0.15); /* Resplandor morado sutil */
    border: 1px solid rgba(255,255,255,0.1);
}

.placeholder-box {
    width: 300px;
    height: 600px;
    background-color: #1c1c1e;
    border-radius: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border: 1px solid #333;
    margin: 60px 0;
}

/* SECCIONES DE TEXTO (Legal & Support) */
.text-section {
    text-align: left;
    width: 100%;
    margin-top: 40px;
}

.text-section h2 { font-size: 32px; margin-bottom: 20px; color: var(--text-main); }
.text-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 17px; }

/* FOOTER */
footer {
    background-color: #111;
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid #222;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 12px;
    text-decoration: none;
    margin: 0 10px;
}

.footer-links a:hover { text-decoration: underline; }
.copyright { color: #444; font-size: 12px; margin-top: 20px; }