/* Vi.Gi. Odontoiatrica - Main Stylesheet */

/* ========== CSS Variables ========== */
:root {
    /* Brand Colors */
    --cyan: #15A7E0;
    --cyan-dark: #1383B3;
    --deep-blue: #19628C;
    --dark-navy: #1C466B;
    --very-dark-blue: #1A2E50;
    --brand-black: #1D1D1B;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --off-white: #F8FAFC;
    --light-gray: #F1F5F9;
    --slate-200: #E2E8F0;
    --slate-400: #94A3B8;
    --slate-500: #64748B;
    --slate-600: #475569;
    --slate-700: #334155;
    
    /* Semantic */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Typography */
    --font-heading: 'Manrope', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-accent: 'Space Grotesk', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--slate-600);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--brand-black);
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
}

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Selection */
::selection {
    background: var(--cyan);
    color: var(--white);
}

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

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--cyan);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--cyan-dark);
}

/* ========== Container ========== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (min-width: 768px) {
    .container {
        padding: 0 3rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 6rem;
    }
}

/* ========== Utilities ========== */
.text-primary { color: var(--cyan); }
.text-white { color: var(--white); }
.text-slate { color: var(--slate-600); }

.hidden { display: none !important; }

/* Icons */
.icon-sm { width: 16px; height: 16px; }
.icon-md { width: 24px; height: 24px; }
.icon-lg { width: 32px; height: 32px; }

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-base), 
                color var(--transition-base), 
                transform var(--transition-base),
                border-color var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn:hover {
    transform: scale(1.02);
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--cyan);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--cyan-dark);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--cyan);
    color: var(--cyan);
}

.btn-outline:hover {
    background-color: var(--cyan);
    color: var(--white);
}

.btn-outline-white {
    background-color: transparent;
    border-color: var(--white);
    color: var(--white);
}

.btn-outline-white:hover {
    background-color: var(--white);
    color: var(--cyan);
}

.btn-white {
    background-color: var(--white);
    color: var(--cyan);
}

.btn-white:hover {
    background-color: var(--off-white);
}

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

.btn-rounded {
    border-radius: var(--radius-full);
}

.btn-full {
    width: 100%;
}

/* ========== Badge ========== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-primary {
    background-color: rgba(21, 167, 224, 0.1);
    color: var(--dark-navy);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--cyan);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ========== Tags ========== */
.tag {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background-color: var(--light-gray);
    color: var(--slate-600);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

/* ========== Pills ========== */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--slate-200);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate-700);
}

/* ========== Navbar ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: background-color var(--transition-slow), 
                box-shadow var(--transition-slow);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: 1rem;
}

.logo-text {
    display: none;
}

@media (min-width: 640px) {
    .logo-text {
        display: block;
    }
}

.logo-name {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--brand-black);
    display: block;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--slate-500);
    display: block;
    margin-top: -4px;
}

/* Desktop Navigation */
.nav-desktop {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .nav-desktop {
        display: flex;
    }
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate-600);
    transition: color var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--cyan);
}

.nav-icon {
    width: 16px;
    height: 16px;
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition-base), 
                visibility var(--transition-base), 
                transform var(--transition-base);
}

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

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--slate-600);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-base), color var(--transition-base);
}

.dropdown-menu a:hover {
    background-color: var(--light-gray);
    color: var(--cyan);
}

/* Navbar Actions */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.phone-link {
    display: none;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--slate-600);
    transition: color var(--transition-base);
}

.phone-link:hover {
    color: var(--cyan);
}

@media (min-width: 768px) {
    .phone-link {
        display: flex;
    }
}

.navbar-actions > .btn {
    display: none;
}

@media (min-width: 640px) {
    .navbar-actions > .btn {
        display: inline-flex;
    }
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    padding: 0.5rem;
    color: var(--slate-600);
}

.mobile-menu-btn:hover {
    color: var(--cyan);
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu {
    background-color: var(--white);
    border-top: 1px solid var(--slate-200);
    padding: 1rem;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-nav-link {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--slate-600);
    border-radius: var(--radius-lg);
    transition: background-color var(--transition-base), color var(--transition-base);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background-color: rgba(21, 167, 224, 0.1);
    color: var(--cyan);
}

.mobile-nav .btn {
    margin-top: 1rem;
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-mesh {
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(21, 167, 224, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(19, 131, 179, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--white) 0%, var(--off-white) 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.hero-title {
    font-size: 2.5rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--slate-600);
    max-width: 36rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding-top: 1rem;
}

/* Hero Image */
.hero-image {
    display: none;
    position: relative;
}

@media (min-width: 1024px) {
    .hero-image {
        display: block;
    }
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.hero-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 46, 80, 0.3), transparent);
}

/* Floating Card */
.hero-floating-card {
    position: absolute;
    bottom: -1.5rem;
    left: -1.5rem;
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: fadeInUp 0.6s ease-out;
}

.floating-card-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(21, 167, 224, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-card-title {
    font-weight: 600;
    color: var(--brand-black);
}

.floating-card-subtitle {
    font-size: 0.875rem;
    color: var(--slate-500);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== Sections ========== */
.section {
    padding: 5rem 0;
}

@media (min-width: 768px) {
    .section {
        padding: 8rem 0;
    }
}

.section-gray {
    background-color: var(--off-white);
}

.section-dark {
    background-color: var(--very-dark-blue);
    position: relative;
}

.section-dark::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

/* Section Header */
.section-header {
    margin-bottom: 4rem;
}

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

.section-header-split {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media (min-width: 1024px) {
    .section-header-split {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-end;
    }
}

.section-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2rem;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--slate-400);
    max-width: 40rem;
    margin: 1rem auto 0;
}

.section-cta {
    text-align: center;
    margin-top: 3rem;
}

/* ========== Services Grid ========== */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Service Card */
.service-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-card-large {
    grid-column: span 1;
}

@media (min-width: 768px) {
    .service-card-large {
        grid-column: span 2;
        grid-row: span 2;
        min-height: 400px;
        justify-content: space-between;
    }
}

.service-icon {
    width: 56px;
    height: 56px;
    background-color: rgba(21, 167, 224, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: background-color var(--transition-base);
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--cyan);
    transition: color var(--transition-base);
}

.service-card:hover .service-icon {
    background-color: var(--cyan);
}

.service-card:hover .service-icon svg {
    color: var(--white);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.service-card-large .service-title {
    font-size: 1.5rem;
}

.service-description {
    font-size: 0.9375rem;
    color: var(--slate-600);
    line-height: 1.6;
    flex-grow: 1;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

/* ========== Technology Grid ========== */
.tech-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.tech-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 2rem;
    backdrop-filter: blur(8px);
    transition: background-color var(--transition-slow);
}

.tech-card:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.tech-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(21, 167, 224, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: background-color var(--transition-base);
}

.tech-icon svg {
    width: 24px;
    height: 24px;
    color: var(--cyan);
    transition: color var(--transition-base);
}

.tech-card:hover .tech-icon {
    background-color: var(--cyan);
}

.tech-card:hover .tech-icon svg {
    color: var(--white);
}

.tech-title {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 0.75rem;
}

.tech-description {
    font-size: 0.875rem;
    color: var(--slate-400);
    line-height: 1.6;
}

/* ========== Journey Section ========== */
.journey-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .journey-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.journey-step {
    position: relative;
    background-color: var(--off-white);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    transition: box-shadow var(--transition-slow);
}

.journey-step:hover {
    box-shadow: var(--shadow-lg);
}

.journey-number {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 4rem;
    font-weight: 700;
    color: rgba(21, 167, 224, 0.1);
    font-family: var(--font-accent);
    line-height: 1;
}

.journey-icon {
    width: 48px;
    height: 48px;
    background-color: var(--cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.journey-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.journey-description {
    font-size: 0.9375rem;
    color: var(--slate-600);
    line-height: 1.6;
}

/* ========== CTA Section ========== */
.section-cta-gradient {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-dark) 100%);
    position: relative;
    overflow: hidden;
}

.section-cta-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.1;
    pointer-events: none;
}

.cta-content {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .cta-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .cta-title {
        font-size: 3rem;
    }
}

.cta-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

/* ========== Footer ========== */
.footer {
    background-color: var(--very-dark-blue);
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 4rem 0;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-logo .logo-icon {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
}

.footer-logo .logo-name {
    font-size: 1.25rem;
    color: var(--white);
}

.footer-description {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-base);
}

.social-link:hover {
    background-color: var(--cyan);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
    letter-spacing: 0.01em;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

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

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.contact-list svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-list span,
.contact-list a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.contact-list a:hover {
    color: var(--cyan);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
}

.footer-bottom-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-base);
}

.footer-legal a:hover {
    color: var(--cyan);
}

/* ========== Blog Single Post ========== */
.post-hero {
    padding-top: calc(80px + 3rem);
    padding-bottom: 3rem;
    background: linear-gradient(135deg, var(--off-white) 0%, var(--white) 100%);
    border-bottom: 1px solid var(--slate-200);
}

.post-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--slate-500);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.post-breadcrumb a {
    color: var(--cyan);
    transition: color var(--transition-base);
}

.post-breadcrumb a:hover { color: var(--cyan-dark); }
.post-breadcrumb span { color: var(--slate-400); }

.post-header-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.post-category-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background-color: var(--cyan);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-meta-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: var(--slate-500);
}

.post-meta-item svg { width: 14px; height: 14px; }

.post-hero-title {
    font-size: 2rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
    max-width: 48rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) { .post-hero-title { font-size: 2.75rem; } }
@media (min-width: 1024px) { .post-hero-title { font-size: 3.25rem; } }

.post-hero-excerpt {
    font-size: 1.125rem;
    color: var(--slate-600);
    max-width: 40rem;
    line-height: 1.7;
}

/* Post Layout */
.post-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 4rem 0;
}

@media (min-width: 1024px) {
    .post-layout {
        grid-template-columns: 1fr 320px;
        gap: 4rem;
    }
}

/* Featured Image */
.post-featured-image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-lg);
}

.post-featured-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

@media (min-width: 768px) { .post-featured-image img { height: 500px; } }

/* Post Content */
.post-content {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--slate-700);
}

.post-content h2 {
    font-size: 1.75rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--brand-black);
    letter-spacing: -0.01em;
}

.post-content h3 {
    font-size: 1.375rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--brand-black);
}

.post-content p { margin-bottom: 1.5rem; }

.post-content ul, .post-content ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.post-content ul { list-style: disc; }
.post-content ol { list-style: decimal; }

.post-content li {
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

.post-content strong { color: var(--brand-black); font-weight: 600; }

.post-content a {
    color: var(--cyan);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.post-content a:hover { color: var(--cyan-dark); }

.post-content blockquote {
    border-left: 4px solid var(--cyan);
    padding: 1.25rem 1.5rem;
    margin: 2rem 0;
    background-color: rgba(21, 167, 224, 0.05);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-style: italic;
    color: var(--slate-700);
}

.post-content img {
    border-radius: var(--radius-xl);
    margin: 2rem 0;
    box-shadow: var(--shadow-md);
}

/* Post Footer */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--slate-200);
}

.post-tag {
    padding: 0.375rem 1rem;
    background-color: var(--light-gray);
    color: var(--slate-600);
    font-size: 0.8125rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.post-tag:hover {
    background-color: var(--cyan);
    color: var(--white);
}

/* Post Share */
.post-share {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--off-white);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.post-share-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--brand-black);
}

.share-btns {
    display: flex;
    gap: 0.5rem;
}

.share-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all var(--transition-base);
    border: 1px solid var(--slate-200);
    background: var(--white);
    color: var(--slate-600);
    display: flex;
    align-items: center;
    gap: 0.375rem;
    cursor: pointer;
}

.share-btn:hover {
    background-color: var(--cyan);
    color: var(--white);
    border-color: var(--cyan);
}

/* Author Box */
.author-box {
    margin-top: 3rem;
    padding: 2rem;
    background-color: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-2xl);
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.author-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan), var(--deep-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    font-family: var(--font-accent);
}

.author-info-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--brand-black);
    margin-bottom: 0.25rem;
}

.author-info-role {
    font-size: 0.875rem;
    color: var(--cyan);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.author-info-bio {
    font-size: 0.9375rem;
    color: var(--slate-600);
    line-height: 1.6;
}

/* Sidebar */
.post-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-widget {
    background-color: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
}

.sidebar-widget-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--brand-black);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--cyan);
}

/* CTA Widget */
.sidebar-cta-widget {
    background: linear-gradient(135deg, var(--cyan), var(--deep-blue));
    color: var(--white);
    border: none;
    text-align: center;
}

.sidebar-cta-icon {
    width: 56px;
    height: 56px;
    background-color: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.sidebar-cta-icon svg { width: 28px; height: 28px; color: var(--white); }

.sidebar-cta-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.sidebar-cta-text {
    font-size: 0.9375rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Related Posts */
.related-post-item {
    display: flex;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--slate-200);
}

.related-post-item:last-child { border-bottom: none; }

.related-post-img {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    flex-shrink: 0;
}

.related-post-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--brand-black);
    line-height: 1.3;
    transition: color var(--transition-base);
    margin-bottom: 0.25rem;
}

.related-post-item:hover .related-post-title { color: var(--cyan); }

.related-post-date {
    font-size: 0.8125rem;
    color: var(--slate-500);
}

/* Categories Widget */
.category-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--slate-200);
    font-size: 0.9375rem;
    color: var(--slate-600);
    transition: color var(--transition-base);
}

.category-list-item:last-child { border-bottom: none; }
.category-list-item:hover { color: var(--cyan); }

.category-count {
    font-size: 0.8125rem;
    background-color: var(--light-gray);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    color: var(--slate-500);
}

/* Navigation between posts */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--slate-200);
}

.post-nav-link {
    padding: 1.25rem;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.post-nav-link:hover {
    border-color: var(--cyan);
    box-shadow: var(--shadow-md);
}

.post-nav-direction {
    font-size: 0.75rem;
    color: var(--cyan);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-nav-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--brand-black);
    line-height: 1.3;
}

.post-nav-link.next { text-align: right; }

/* Page Hero comune (pagine interne) */
.page-hero-simple {
    max-width: 48rem;
    padding-top: calc(80px + 3rem);
    padding-bottom: 3rem;
}

.page-hero-title {
    font-size: 2.5rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

@media (min-width: 768px) { .page-hero-title { font-size: 3.5rem; } }

.page-hero-description {
    font-size: 1.125rem;
    color: var(--slate-600);
    line-height: 1.7;
}

/* Contact form & page styles */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .contact-grid { grid-template-columns: 1fr 2fr; }
}

.contact-info-title { font-size: 1.5rem; margin-bottom: 2rem; }

.info-cards { display: flex; flex-direction: column; gap: 1rem; }

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--slate-200);
}

.info-card-icon {
    width: 48px; height: 48px;
    background-color: rgba(21, 167, 224, 0.1);
    border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

.info-card-icon svg { width: 24px; height: 24px; color: var(--cyan); }
.info-card-content h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.25rem; }
.info-card-content p, .info-card-content a { font-size: 0.875rem; color: var(--slate-600); }
.info-card-content a:hover { color: var(--cyan); }

.call-cta {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--very-dark-blue);
    border-radius: var(--radius-xl);
    text-align: center;
}

.call-cta p { color: rgba(255, 255, 255, 0.8); margin-bottom: 1rem; }

.contact-form-card {
    background-color: var(--white);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--slate-200);
}

@media (min-width: 768px) { .contact-form-card { padding: 2.5rem; } }

.form-title { font-size: 1.5rem; margin-bottom: 0.5rem; }
.form-subtitle { color: var(--slate-600); font-size: 0.875rem; margin-bottom: 2rem; }

.contact-form { display: flex; flex-direction: column; gap: 1.5rem; }

.form-row { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .form-row { grid-template-columns: repeat(2, 1fr); } }

.form-group { display: flex; flex-direction: column; gap: 0.5rem; }

.form-group label { font-size: 0.875rem; font-weight: 500; color: var(--brand-black); }

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    background-color: var(--white);
    color: var(--brand-black);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(21, 167, 224, 0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-footer {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}

@media (min-width: 640px) {
    .form-footer { flex-direction: row; justify-content: space-between; align-items: center; }
}

.form-note { font-size: 0.875rem; color: var(--slate-500); }

.form-success {
    display: none;
    padding: 1.5rem;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    border-radius: var(--radius-xl);
    color: var(--success);
    font-weight: 500;
    text-align: center;
}

.form-error-msg {
    display: none;
    padding: 1rem;
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    border-radius: var(--radius-lg);
    color: var(--error);
    font-size: 0.875rem;
}

/* Spinner */
.spinner {
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Categories Section */
.categories-section {
    padding: 1rem 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--slate-200);
    position: sticky;
    top: 80px;
    z-index: 30;
}

.categories-bar { display: flex; justify-content: center; }

.categories-list { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }

.category-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate-600);
    border: 1px solid var(--slate-200);
    background: var(--white);
    transition: all var(--transition-base);
    cursor: pointer;
}

.category-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.category-btn.active { background-color: var(--cyan); border-color: var(--cyan); color: var(--white); }

/* Blog Grid */
.blog-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }

@media (min-width: 768px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .blog-grid { grid-template-columns: repeat(3, 1fr); } }

.blog-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-slow), transform var(--transition-slow);
    border: 1px solid var(--slate-200);
}

.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.blog-card-image { position: relative; overflow: hidden; }

.blog-card-image img {
    width: 100%; height: 200px; object-fit: cover;
    transition: transform 0.5s ease;
}

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

.blog-card-category {
    position: absolute; top: 1rem; left: 1rem;
    padding: 0.375rem 0.75rem;
    background-color: var(--cyan); color: var(--white);
    font-size: 0.75rem; font-weight: 500;
    border-radius: var(--radius-full);
}

.blog-card-content { padding: 1.5rem; }

.blog-card-meta {
    display: flex; align-items: center; gap: 0.5rem;
    color: var(--slate-400); font-size: 0.875rem; margin-bottom: 0.75rem;
}

.blog-card-title {
    font-size: 1.125rem; margin-bottom: 0.75rem; line-height: 1.3;
    transition: color var(--transition-base);
}

.blog-card:hover .blog-card-title { color: var(--cyan); }

.blog-card-excerpt {
    font-size: 0.9375rem; color: var(--slate-600); line-height: 1.6; margin-bottom: 1rem;
}

.blog-card-link {
    display: inline-flex; align-items: center; gap: 0.5rem;
    color: var(--cyan); font-weight: 500; font-size: 0.875rem;
    transition: gap var(--transition-base);
}

.blog-card-link:hover { gap: 0.75rem; }

.cta-description-simple {
    font-size: 1.125rem; color: var(--slate-600); margin-bottom: 2rem;
}

/* ── Footer: forza colori chiari su tutti i testi interni ── */
.footer .social-link svg {
    color: rgba(255, 255, 255, 0.85);
}

.footer .social-link:hover svg {
    color: var(--white);
}

.footer .contact-list svg {
    color: var(--cyan);
    opacity: 0.9;
}