:root {
    --bg-white: #FFFFFF;
    --bg-surface: #F8F9FA;
    --acc-green: #1A4731;
    --acc-green-sec: #113322;
    --acc-highlight: #D4F870; /* Personio-like lime pop */
    --text-black: #0B0F19; /* High contrast black */
    --text-muted: #4B5563; /* Slightly darker muted text */
    --border-color: #E5E7EB;
    --radius-pill: 999px;
    --radius-card: 16px; /* modern softer rounding */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    color: var(--text-black);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 80px;
    font-size: 1.05rem;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 800; /* Bolder headings */
    color: var(--text-black);
    line-height: 1.1;
    letter-spacing: -0.04em; /* Tighter letter spacing */
}

h1 { font-size: 4rem; margin-bottom: 1.25rem; }
h2 { font-size: 2.8rem; margin-bottom: 1.25rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; letter-spacing: -0.02em; }

p { color: var(--text-muted); margin-bottom: 1rem; }
a { text-decoration: none; color: inherit; transition: color 0.2s; }

.text-green { color: var(--acc-green); }

.uppercase { text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.05em; font-weight: 700; }
.label { color: var(--acc-green); display: inline-block; margin-bottom: 0.75rem; padding-bottom: 0px; }

/* REDUCED MARGINS */
section { padding: 4.5rem 5%; }
.container { max-width: 1200px; margin: 0 auto; width: 100%; }
.dual-column { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; max-width: 1200px; margin: 0 auto; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: 1200px; margin: 0 auto;}
.grid-4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

.bg-surface { background-color: var(--bg-surface); }
.bg-dark { background-color: var(--text-black); color: var(--bg-white); }
.bg-dark h2, .bg-dark h3 { color: var(--bg-white); }
.bg-dark p { color: #A0A0A0; }

/* Refined Premium Cards */
.card { 
    background: var(--bg-white); 
    border: 1px solid var(--border-color); 
    border-radius: var(--radius-card); 
    padding: 2.5rem; 
    display: flex; 
    flex-direction: column;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease;
}
.card:hover {
    transform: translateY(-5px);
    border-color: #D1D5DB;
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
}

.card-dark { 
    background: #0B0F19; 
    border: 1px solid #1F2937; 
    border-radius: var(--radius-card); 
    padding: 2.5rem; 
    color: white; 
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.card-dark:hover {
    transform: translateY(-5px);
    border-color: #374151;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.card-surface { 
    background: var(--bg-surface); 
    border-radius: var(--radius-card); 
    padding: 2.5rem; 
    transition: transform 0.4s ease;
}
.card-surface:hover {
    transform: translateY(-3px);
}

.btn-group { display: flex; gap: 1rem; margin-bottom: 1.5rem; }
.pill { border-radius: var(--radius-pill); padding: 0.8rem 1.8rem; display: inline-flex; justify-content: center; align-items: center; font-weight: 600; cursor: pointer; border: 1px solid transparent; transition: all 0.2s ease; font-size: 0.95rem; }
.btn-primary { 
    background: var(--text-black); 
    color: var(--bg-white); 
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.btn-primary:hover { 
    background: var(--acc-green); 
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(26,71,49,0.2);
}
.btn-secondary { 
    background: var(--acc-highlight); 
    color: var(--text-black); 
    font-weight: 700;
}
.btn-secondary:hover { 
    background: #C4EA5A; 
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(212,248,112,0.3);
}
.btn-outline { background: transparent; border-color: var(--border-color); color: var(--text-black); }
.btn-outline:hover { border-color: var(--text-black); background: var(--bg-surface); }

.badge { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--bg-white); border: 1px solid var(--border-color); color: var(--text-black); padding: 0.35rem 0.8rem; border-radius: var(--radius-pill); font-size: 0.8rem; font-weight: 600; box-shadow: 0 2px 8px rgba(0,0,0,0.03); }
.badge.small { font-size: 0.7rem; padding: 0.2rem 0.6rem; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--acc-highlight); }
.dot.blue { background: #2563EB; }
.dot.gray { background: #9CA3AF; }

.tags-group { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tag { font-size: 0.75rem; color: var(--text-black); font-weight: 500; border: 1px solid var(--border-color); padding: 0.4rem 1rem; border-radius: var(--radius-pill); background: var(--bg-white); }

.navbar { position: fixed; top: 0; width: 100%; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-color); z-index: 1000; padding: 1rem 5%; height: 80px; display: flex; align-items: center;}
.nav-container { max-width: 1200px; margin: 0 auto; width: 100%; display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 700; font-size: 1.25rem; color: var(--text-black); cursor: pointer; }
.nav-links { display: flex; gap: 2.2rem; align-items: center; font-size: 0.9rem; color: var(--text-muted); font-weight: 500;}
.nav-links a { cursor: pointer; }
.nav-links a:hover { color: var(--text-black); }
.nav-actions { display: flex; gap: 1.5rem; align-items: center; }
.lang-toggle { display: flex; gap: 0.5rem; align-items: center; font-size: 0.85rem; font-weight: 500; color: var(--text-muted); }
.lang-btn { background: none; border: none; font: inherit; cursor: pointer; color: var(--text-muted); transition: color 0.2s;}
.lang-btn.active { color: var(--text-black); font-weight: 700; }
.lang-btn:hover { color: var(--text-black); }

.page { display: none; opacity: 0; transition: opacity 0.4s ease; }
.page.active { display: block; opacity: 1; }

.flex-center { display: flex; justify-content: center; align-items: center; }

/* REDUCED SPACING UTILITIES */
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2.5rem; } /* Changed from 4rem to 2.5rem */
.mt-4 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2.5rem; }

ul.bullet-list { list-style: none; margin-top: 1rem; }
ul.bullet-list li { position: relative; padding-left: 1.25rem; margin-bottom: 0.6rem; color: var(--text-muted); font-size: 0.9rem; }
ul.bullet-list li::before { content: ""; position: absolute; left: 0; top: 0.5rem; width: 5px; height: 5px; background: var(--acc-green); border-radius: 50%; }

form { display: flex; flex-direction: column; gap: 1rem; }
input, textarea { width: 100%; padding: 0.85rem 1.25rem; border: 1px solid var(--border-color); border-radius: 8px; font-family: inherit; font-size: 0.95rem; background: var(--bg-white); }
input:focus, textarea:focus { outline: none; border-color: var(--text-black); }

.hero { min-height: 60vh; padding-top: 4rem; } 
.hero-title { font-size: 4rem; line-height: 1.05; }
.hero .subtitle { font-size: 1.25rem; margin-bottom: 1.5rem; max-width: 90%; }

.hl-bg {
    background: var(--acc-highlight);
    color: var(--text-black);
    padding: 0 0.3em;
    border-radius: 8px;
    display: inline-block;
    transform: rotate(-2deg);
    margin: 0 0.1em;
    box-shadow: 0 8px 15px rgba(212,248,112,0.3);
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
.reveal.d-1 { transition-delay: 0.15s; }
.reveal.d-2 { transition-delay: 0.3s; }
.reveal.d-3 { transition-delay: 0.45s; }
.reveal.d-4 { transition-delay: 0.6s; }

@media (max-width: 900px) {
    .dual-column, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .hero-title { font-size: 2.25rem; }
    section { padding: 3rem 5%; }
}

/* --- WHATSAPP FLOATING BUTTON --- */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}
.whatsapp-float svg {
    width: 35px;
    height: 35px;
    fill: currentColor;
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}