/**
 * OpenDistro - Stili Principali
 * 
 * Design moderno e responsivo con variabili CSS per temi
 */

/* === VARIABLES === */
:root {
    /* Colori - sovrascrivibili da tema */
    --color-primary: #0f0f1a;
    --color-secondary: #1a1a2e;
    --color-accent: #00d4ff;
    --color-accent-hover: #00a8cc;
    --color-text: #f0f0f0;
    --color-text-muted: #888888;
    --color-success: #00c853;
    --color-error: #ff5252;
    --color-warning: #ffc107;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-titles: 'Poppins', var(--font-main);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Layout */
    --container-width: 1200px;
    --navbar-height: 70px;
}

/* === RESET === */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* === UTILITIES === */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-text-muted);
}

.text-accent {
    color: var(--color-accent);
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mt-4 {
    margin-top: var(--spacing-xl);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-xl);
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-titles);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
    font-size: 1.25rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-accent), #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), #a855f7);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: white;
}

.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-text);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: #252542;
    border-color: var(--color-accent);
    color: var(--color-text);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-titles);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.navbar-logo img {
    height: 40px;
    width: auto;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.navbar-menu a {
    color: var(--color-text-muted);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--color-text);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Language Switcher */
.lang-switcher {
    position: relative;
}

.lang-switcher-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.9rem;
    cursor: pointer;
}

.lang-switcher-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-sm);
    background: var(--color-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.lang-switcher:hover .lang-switcher-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-switcher-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-muted);
}

.lang-switcher-dropdown a:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-text);
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
    background: transparent;
    border: none;
    cursor: pointer;
}

.navbar-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

/* === HERO === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--navbar-height) var(--spacing-lg) var(--spacing-3xl);
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

/* === SECTIONS === */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1rem;
}

/* === PROJECT CARDS === */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--color-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-lg);
}

.project-card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-primary);
}

.project-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-card-image img {
    transform: scale(1.05);
}

.project-card-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.project-card-content {
    padding: var(--spacing-lg);
}

.project-card-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.project-card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.project-card-title a {
    color: var(--color-text);
}

.project-card-title a:hover {
    color: var(--color-accent);
}

.project-card-description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.project-card-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.project-card-stats span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* === FOOTER === */
.footer {
    background: var(--color-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand p {
    color: var(--color-text-muted);
    margin-top: var(--spacing-md);
    max-width: 300px;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-accent);
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* === COOKIE CONSENT === */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(18, 18, 26, 0.98);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 100000;
    padding: 1.5rem 1.5rem 2rem 1.5rem;
    display: none !important;
}

.cookie-consent[style*="display: block"] {
    display: block !important;
}

.cookie-consent-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.cookie-consent-content {
    flex: 1;
    min-width: 300px;
}

.cookie-consent-content h4 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    color: var(--color-text);
}

.cookie-consent-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.cookie-consent-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Cookie Buttons */
.cookie-btn {
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
}

.cookie-btn-primary {
    background: var(--color-accent);
    color: #fff;
}

.cookie-btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.cookie-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.cookie-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.cookie-btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-btn-outline:hover {
    border-color: #fff;
}

/* Cookie Modal */
.cookie-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 100000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.cookie-modal.active {
    display: flex;
}

.cookie-modal-content {
    background: var(--color-secondary);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cookie-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cookie-modal-header h4 {
    margin: 0;
    color: var(--color-text);
}

.cookie-close {
    background: none;
    border: none;
    color: #888;
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.cookie-close:hover {
    color: var(--color-text);
}

.cookie-modal-body {
    padding: 1.5rem;
}

.cookie-category {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.cookie-category:last-child {
    border-bottom: none;
}

.cookie-category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.cookie-category-header strong {
    color: var(--color-text);
}

.cookie-category-header small {
    display: block;
    color: #888;
    font-size: 0.75rem;
}

.cookie-description {
    margin: 0;
    color: #888;
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Toggle Switch */
.cookie-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.cookie-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.cookie-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #333;
    border-radius: 26px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.cookie-slider::before {
    content: "";
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: var(--transition-normal);
}

.cookie-switch input:checked+.cookie-slider {
    background: var(--color-accent);
}

.cookie-switch input:checked+.cookie-slider::before {
    transform: translateX(22px);
}

.cookie-switch.disabled .cookie-slider {
    background: #555;
    cursor: not-allowed;
}

.cookie-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Cookie Prefs Button */
.cookie-prefs-btn {
    position: fixed;
    bottom: 60px;
    left: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(30, 30, 40, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 9998;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.cookie-prefs-btn:hover {
    transform: scale(1.1);
    background: var(--color-accent);
}

/* === RESPONSIVE === */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background: var(--color-secondary);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .navbar-toggle {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: calc(var(--navbar-height) + var(--spacing-2xl)) var(--spacing-lg) var(--spacing-2xl);
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cookie-consent-container {
        flex-direction: column;
        text-align: center;
    }
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.animate-delay-1 {
    animation-delay: 0.1s;
}

.animate-delay-2 {
    animation-delay: 0.2s;
}

.animate-delay-3 {
    animation-delay: 0.3s;
}

.animate-delay-4 {
    animation-delay: 0.4s;
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-hover);
}