/*
Theme Name: Liber Solutions Theme
Theme URI: https://www.libersolutions.it
Author: Liber Solutions
Author URI: https://www.libersolutions.it
Description: A modern, premium WordPress theme tailored for AI software services.
Version: 1.0.0
Text Domain: liber-theme
*/

:root {
    --color-bg: #090a15;
    --color-surface: #12142b;
    --color-surface-light: #1c1e3d;
    --color-primary: #0052ff; /* Software house blue */
    --color-accent: #ff007b; /* AI Pink-Fuchsia */
    --color-accent-light: #00d2ff; /* Azzurro */
    --color-accent-light: #00d2ff; /* Azzurro */
    --color-text-main: #ffffff;
    --color-text-muted: #9ca3af;
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: 0.3s ease-in-out;
    --border-radius: 12px;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-top: 0;
    font-weight: 700;
}

a {
    color: var(--color-text-main);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-accent);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    box-shadow: 0 4px 15px rgba(224, 22, 92, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(224, 22, 92, 0.5);
    color: #fff;
}

/* Header */
.site-header {
    background: rgba(9, 10, 21, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.site-logo {
    font-size: 28px;
    font-weight: 900;
    color: var(--color-text-main);
    letter-spacing: -1px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.site-logo::before {
    content: '✦';
    color: var(--color-accent-light);
    font-size: 1.1em;
    animation: pulse-spark 2s infinite alternate;
}
@keyframes pulse-spark {
    0% { opacity: 0.7; filter: drop-shadow(0 0 5px var(--color-accent-light)); }
    100% { opacity: 1; filter: drop-shadow(0 0 20px var(--color-accent-light)); }
}
.site-logo span {
    background: linear-gradient(90deg, var(--color-accent-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 30px;
    align-items: center;
}

.nav-menu li a {
    font-weight: 500;
    font-size: 15px;
}

/* Footer */
.site-footer {
    background-color: var(--color-surface);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: 80px;
}

/* Content Padding */
.site-content {
    margin-top: 80px; /* Offset for fixed header */
    min-height: calc(100vh - 160px);
}

/* Custom Utilities and Sections */
.section { padding: 100px 0; }
.bg-light { background: var(--color-surface-light); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.align-center { align-items: center; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-white { color: #fff; }
.fuchsia-text { color: var(--color-accent); }
.mb-2 { margin-bottom: 20px; }
.mb-4 { margin-bottom: 40px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }
.subtitle { color: var(--color-text-muted); font-size: 1.1rem; }
.small { font-size: 0.9rem; opacity: 0.8; }

/* Cards */
.card { background: linear-gradient(145deg, rgba(28,30,61,0.6) 0%, rgba(18,20,43,0.3) 100%); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(255, 255, 255, 0.08); padding: 40px 30px; border-radius: 16px; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); box-shadow: 0 10px 30px rgba(0,0,0,0.5); position: relative; overflow: hidden; }
.card::before { content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent); transition: all 0.6s ease; pointer-events: none; }
.card:hover { transform: translateY(-8px); border-color: rgba(0, 210, 255, 0.4); box-shadow: 0 15px 40px rgba(0, 210, 255, 0.15), inset 0 0 20px rgba(255, 0, 123, 0.05); }
.card:hover::before { left: 200%; }
.card h3 { margin-bottom: 15px; }
.advantage-icon { max-width: 90px; height: auto; margin: 0 auto 20px auto; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.2); }
.highlight { border-top: 3px solid var(--color-accent); }

.glass-card { background: rgba(255,255,255,0.05); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); padding: 40px; border-radius: 20px; border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 20px 40px rgba(0,0,0,0.4); position: relative; overflow: hidden; }
.glass-card::before { content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent); transition: all 0.8s ease; pointer-events: none; }
.glass-card:hover::before { left: 200%; }
.glass-card h4 { color: #fff; font-size: 1.5rem; margin: 10px 0; font-weight: 800; }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; margin-top: 60px; }
.premium-card { background: linear-gradient(180deg, rgba(28,30,61,0.5) 0%, rgba(9,10,21,0.8) 100%); border: 1px solid rgba(255,255,255,0.05); padding: 50px 40px; border-radius: 20px; position: relative; overflow: hidden; transition: all 0.4s ease; box-shadow: 0 15px 35px rgba(0,0,0,0.4); text-align: left; }
.premium-card::before { content: attr(data-number); position: absolute; right: -20px; top: -30px; font-size: 180px; font-weight: 900; color: rgba(255,255,255,0.02); z-index: 0; pointer-events: none; letter-spacing: -5px; }
.premium-card::after { content: ''; position: absolute; inset: 0; opacity: 0; background: radial-gradient(circle at top right, rgba(0, 210, 255, 0.1) 0%, transparent 60%); transition: opacity 0.4s ease; z-index: 0; pointer-events: none; }
.premium-card:hover { transform: translateY(-10px); border-color: rgba(0, 210, 255, 0.3); box-shadow: 0 20px 50px rgba(0, 210, 255, 0.15); }
.premium-card:hover::after { opacity: 1; }
.premium-card > * { position: relative; z-index: 1; }
.premium-card h4 { font-size: 1.8rem; margin-bottom: 20px; color: #fff; display: flex; align-items: center; gap: 10px; }
.premium-card h4 span { color: var(--color-accent); font-size: 1.2rem; }
.premium-card p { font-size: 1.1rem; color: #cbd5e1; line-height: 1.7; margin: 0; }
.section-title-huge { font-size: clamp(3rem, 6vw, 4.5rem); font-weight: 900; line-height: 1.1; margin-bottom: 30px; text-transform: uppercase; letter-spacing: -2px; background: linear-gradient(135deg, #fff 30%, var(--color-accent-light) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; filter: drop-shadow(0 0 15px rgba(0,210,255,0.2)); }
@media (max-width: 900px) { .why-grid { grid-template-columns: 1fr; gap: 30px; } }

/* Hero */
.hero { position: relative; min-height: 85vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.hero .overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(9,10,21,0.95) 0%, rgba(18,20,43,0.7) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 900px; }
.hero h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1.1; margin-bottom: 25px; background: linear-gradient(45deg, #fff 30%, var(--color-text-muted) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero h1 span { background: linear-gradient(45deg, var(--color-accent-light), var(--color-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; filter: drop-shadow(0 0 15px rgba(255, 0, 123, 0.4)); }
.hero p { font-size: 1.4rem; margin-bottom: 40px; color: #cbd5e1; max-width: 700px; margin-inline: auto; }

/* Sections specific */
.custom-list { padding-left: 20px; list-style: none; }
.custom-list li { margin-bottom: 15px; position: relative; padding-left: 25px; }
.custom-list li::before { content: '•'; position: absolute; left: 0; top: -5px; font-size: 1.8rem; color: var(--color-accent-light); }

.bg-callout { background: rgba(255, 0, 123, 0.05); border: 1px solid rgba(255, 0, 123, 0.2); padding: 60px; border-radius: var(--border-radius); }
.alert-box { background: rgba(255,255,255,0.05); padding: 20px; border-left: 4px solid var(--color-accent); font-size: 1.1rem; }

.section-fuchsia { background: linear-gradient(135deg, var(--color-accent), #c2005e); position: relative; overflow: hidden; }
.section-fuchsia::before { content: ''; position: absolute; opacity: 0.1; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, #fff 10%, transparent 10%), radial-gradient(circle, #fff 10%, transparent 10%); background-size: 200px 200px; transform: rotate(30deg); }
.btn-dark { background: var(--color-bg); color: #fff; box-shadow: 0 5px 15px rgba(0,0,0,0.3); }
.btn-dark:hover { background: #fff; color: var(--color-bg); transform: translateY(-2px); }

@media (max-width: 768px) {
    .grid-2, .grid-4 { grid-template-columns: 1fr; }
    .hero { min-height: 70vh; }
    .hero h1 { font-size: 2.5rem; }
    .nav-menu { display: none; } /* Add a mobile menu toggle visually later */
}

/* Fluo & Premium Guarantee additions */
.position-relative { position: relative; }
.glow-orb { position: absolute; border-radius: 50%; filter: blur(120px); pointer-events: none; z-index: 0; }
.cyan-glow { filter: drop-shadow(0 0 20px rgba(0, 210, 255, 0.6)); }
.pink-glow { filter: drop-shadow(0 0 20px rgba(255, 0, 123, 0.6)); }
.cyan-text { color: var(--color-accent-light); }
.cyan-glow-text { background: linear-gradient(45deg, #00d2ff, #fff) !important; -webkit-background-clip: text !important; -webkit-text-fill-color: transparent !important; filter: drop-shadow(0 0 10px rgba(0, 210, 255, 0.4)); }
.premium-guarantee-card { background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.05); border-radius: 24px; padding: 40px; backdrop-filter: blur(20px); transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); position: relative; overflow: hidden; }
.premium-guarantee-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: linear-gradient(90deg, transparent, var(--color-accent-light), transparent); opacity: 0; transition: opacity 0.4s ease; }
.premium-guarantee-card:hover { transform: translateY(-5px); background: rgba(255,255,255,0.04); box-shadow: 0 20px 40px rgba(0, 210, 255, 0.08); border-color: rgba(0, 210, 255, 0.3); }
.premium-guarantee-card:hover::before { opacity: 1; }
.guarantee-icon { width: 60px; height: 60px; border-radius: 16px; background: rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.1); margin-bottom: 20px; }
.why-premium-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; margin-top: 40px; }
.why-premium-card { background: linear-gradient(145deg, rgba(28,30,61,0.5), rgba(18,20,43,0.8)); border-left: 2px solid var(--color-accent-light); padding: 30px; border-radius: 0 16px 16px 0; position: relative; overflow: hidden; transition: all 0.3s; }
.why-premium-card:hover { transform: translateX(10px); background: linear-gradient(145deg, rgba(28,30,61,0.8), rgba(9,10,21,0.9)); box-shadow: -10px 10px 30px rgba(0,210,255,0.1); }

/* FAQ Styles */
.faq-accordion {
    margin-bottom: 20px;
    background: linear-gradient(145deg, rgba(28,30,61,0.6) 0%, rgba(18,20,43,0.3) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.comparison-row { display: grid; grid-template-columns: 2fr 1.5fr 1.5fr; gap: 20px; padding: 15px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.05); align-items: center; }
.comparison-row:last-child { border-bottom: none; }


.faq-accordion:hover, .faq-accordion[open] {
    border-color: rgba(0, 210, 255, 0.4);
    box-shadow: 0 15px 40px rgba(0, 210, 255, 0.15), inset 0 0 20px rgba(0, 210, 255, 0.05);
}

.faq-question {
    padding: 24px 30px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    list-style: none; /* Hide default arrow */
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-size: 1.8rem;
    color: var(--color-accent-light);
    font-weight: 400;
    line-height: 1;
    transition: transform 0.3s ease;
}

.faq-accordion[open] .faq-question::after {
    transform: rotate(45deg);
    color: var(--color-accent);
}

.faq-answer {
    padding: 0 30px 24px 30px;
    font-size: 1.1rem;
    color: #cbd5e1;
    line-height: 1.8;
}

.faq-answer p {
    margin: 0;
}

@media (max-width: 768px) { 
    .why-premium-grid { grid-template-columns: 1fr; } 
    .section-title-huge { font-size: 2.5rem; letter-spacing: -1px; } 
    .comparison-row { font-size: 0.9rem; grid-template-columns: 1.5fr 1fr 1fr; gap: 10px; padding: 10px 0; }
    .comparison-row .star-rating { font-size: 1rem !important; }
}