/**
 * RIFLESSI & INCANTO - Main Stylesheet
 * Brand Manual Compliant Design System
 */

/* ============================================
   CSS VARIABLES - BRAND COLORS & TYPOGRAPHY
   ============================================ */
:root {
    /* Colors */
    --cosmic-purple: #6A1B9A;
    --deep-indigo: #191970;
    --ethereal-blue: #4A148C;
    --astral-cyan: #00BCD4;
    --luminous-gold: #FFD700;
    --amber-glow: #FFA500;
    --pure-white: #FFFFFF;
    --silver-mist: #E8E8E8;
    --steel-gray: #C0C0C0;
    --charcoal: #333333;
    --cosmic-black: #000000;

    /* Typography */
    --font-display: 'Marcellus SC', serif;
    --font-heading: 'Cinzel', serif;
    --font-body: 'Merriweather', Georgia, serif;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;

    /* Layout */
    --sidebar-width: 280px;
    --border-radius: 20px;
    --border-radius-sm: 8px;

    /* Effects */
    --glass-bg: rgba(25, 25, 112, 0.2);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--cosmic-black);
    color: var(--pure-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--pure-white);
    margin-bottom: var(--space-lg);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: 0.1em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: 0.08em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    letter-spacing: 0.05em;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--space-md);
    color: var(--pure-white);
}

a {
    color: var(--astral-cyan);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--luminous-gold);
}

/* ============================================
   COSMIC BACKGROUND - ASTRAL EDITION
   ============================================ */
.cosmic-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: url('/Images/covers/riflessi_incanto_covers2.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.cosmic-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(138, 43, 226, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(75, 0, 130, 0.5) 0%, transparent 50%),
        linear-gradient(180deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.85) 100%);
    z-index: 1;
}

.cosmic-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 50% 50%, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 2;
}

/* ============================================
   LAYOUT - SIDEBAR & MAIN CONTENT
   ============================================ */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: rgba(25, 25, 112, 0.3);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: var(--space-xl);
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 0.15em;
    text-align: center;
    margin-bottom: var(--space-2xl);
    background: linear-gradient(135deg, #C0C0C0, #FFFFFF, #E8E8E8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar__logo-img {
    max-width: 100%;
    height: auto;
    max-height: 80px;
    width: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.sidebar__logo-img:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.sidebar-logo .ampersand {
    color: var(--luminous-gold);
    -webkit-text-fill-color: var(--luminous-gold);
}

.main-content {
    margin-left: var(--sidebar-width);
    width: calc(100vw - var(--sidebar-width));
    min-height: 100vh;
    padding: 0;
}

.content-wrapper {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-2xl);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav-section {
    margin-bottom: var(--space-lg);
}

.nav-section-title {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--silver-mist);
    margin-bottom: var(--space-sm);
    opacity: 0.6;
}

.nav-link {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-sm);
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--pure-white);
    transform: translateX(4px);
}

.nav-link.active {
    background: rgba(255, 215, 0, 0.15);
    color: var(--luminous-gold);
    border-left: 3px solid var(--luminous-gold);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Spacing */
.p-0 { padding: 0; }
.p-1 { padding: var(--space-xs); }
.p-2 { padding: var(--space-sm); }
.p-3 { padding: var(--space-md); }
.p-4 { padding: var(--space-lg); }
.p-5 { padding: var(--space-xl); }
.p-6 { padding: var(--space-2xl); }
.p-8 { padding: var(--space-3xl); }

.px-2 { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-4 { padding-left: var(--space-lg); padding-right: var(--space-lg); }
.px-6 { padding-left: var(--space-2xl); padding-right: var(--space-2xl); }
.px-8 { padding-left: var(--space-3xl); padding-right: var(--space-3xl); }

.py-2 { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-4 { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.py-6 { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }
.py-8 { padding-top: var(--space-3xl); padding-bottom: var(--space-3xl); }
.py-12 { padding-top: var(--space-4xl); padding-bottom: var(--space-4xl); }

.m-0 { margin: 0; }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-6 { margin-bottom: var(--space-2xl); }
.mb-8 { margin-bottom: var(--space-3xl); }

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }

/* Flex */
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-2 { gap: var(--space-sm); }
.gap-4 { gap: var(--space-lg); }
.gap-6 { gap: var(--space-2xl); }
.gap-8 { gap: var(--space-3xl); }

/* Grid */
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-white { color: var(--pure-white); }
.text-gold { color: var(--luminous-gold); }
.text-cyan { color: var(--astral-cyan); }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-normal { font-weight: 400; }

.uppercase { text-transform: uppercase; }

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Borders */
.border { border: 1px solid var(--glass-border); }
.border-t { border-top: 1px solid var(--glass-border); }
.border-b { border-bottom: 1px solid var(--glass-border); }
.border-l { border-left: 1px solid var(--glass-border); }
.border-r { border-right: 1px solid var(--glass-border); }

.rounded { border-radius: var(--border-radius-sm); }
.rounded-lg { border-radius: var(--border-radius); }
.rounded-full { border-radius: 9999px; }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

/* Transitions */
.transition { transition: all 0.3s ease; }
.transition-colors { transition: color 0.3s ease, background-color 0.3s ease; }
.transition-transform { transition: transform 0.3s ease; }

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 215, 0, 0.5);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 215, 0, 0.7);
}

/* ============================================
   SELECTION
   ============================================ */
::selection {
    background: rgba(255, 215, 0, 0.3);
    color: var(--pure-white);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes shimmer {
    to { background-position: 200% center; }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-shimmer {
    animation: shimmer 3s linear infinite;
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-float {
    animation: float 8s ease-in-out infinite;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        width: 100vw;
    }

    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(1, 1fr);
    }
}

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .md\:flex { display: flex; }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .sidebar,
    .menu-toggle,
    .cosmic-bg {
        display: none;
    }

    .main-content {
        margin-left: 0;
    }

    body {
        background: white;
        color: black;
    }
}