/* OnlyTechTake Landing Page Styles - Modern MD3 & Glassmorphism */

:root {
    /* MD3 Palette - Default DARK Mode */
    --md-sys-color-primary: #00B6B0;
    --md-sys-color-on-primary: #0D0D0D;
    --md-sys-color-primary-container: #004F4F;
    --md-sys-color-on-primary-container: #5BE2E0;

    --md-sys-color-secondary: #B0CCCC;
    --md-sys-color-on-secondary: #1B3435;

    --md-sys-color-background: #0D0D0D; /* Charcoal #0D0D0D */
    --md-sys-color-on-background: #E0E3E3;

    --md-sys-color-surface: #191C1C;
    --md-sys-color-surface-variant: #3F4948;
    --md-sys-color-on-surface: #E0E3E3;
    --md-sys-color-on-surface-variant: #BFC9C8;

    --md-sys-color-outline: #899392;
    --max-width: 1200px;

    --transition-speed: 0.3s;
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
}

/* Light Mode Overrides */
[data-theme="light"] {
    --md-sys-color-primary: #00B6B0;
    --md-sys-color-on-primary: #FFFFFF;
    --md-sys-color-primary-container: #CCE8E7;
    --md-sys-color-on-primary-container: #002020;

    --md-sys-color-background: #F4FBFA;
    --md-sys-color-on-background: #0D0D0D;

    --md-sys-color-surface: #FFFFFF;
    --md-sys-color-on-surface: #0D0D0D;
    --md-sys-color-on-surface-variant: #3F4948;
    --md-sys-color-surface-variant: #DAE5E4;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--md-sys-color-background);
    color: var(--md-sys-color-on-background);
    line-height: 1.5;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    color: var(--md-sys-color-on-background);
    font-weight: 700;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography Helpers */
.gradient-text {
    background: linear-gradient(90deg, var(--md-sys-color-primary), #B1CCCB);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem;
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.badge-icon {
    width: 18px;
    height: 18px;
}

/* Header */
header {
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(15, 18, 18, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

[data-theme="light"] header {
    background-color: rgba(244, 251, 250, 0.8);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo-mark {
    height: 32px;
    width: auto;
}

.logo-text-only {
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo-text-only:hover {
    opacity: 0.8;
}

.app-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--md-sys-color-on-background);
    letter-spacing: -1.2px;
    line-height: 1;
    background: linear-gradient(90deg, var(--md-sys-color-on-background), var(--md-sys-color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
    .nav-actions {
        gap: 0.75rem;
    }
    .app-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 380px) {
    .app-title {
        display: none; /* Just show the logo mark on tiny screens */
    }
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--md-sys-color-primary);
}

.btn-nav {
    padding: 0.6rem 1.25rem;
    border-radius: 100px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
}

.btn-pro {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

/* Language Selector */
.lang-selector {
    display: flex;
    gap: 0.5rem;
    background: var(--md-sys-color-surface-variant);
    padding: 4px;
    border-radius: 100px;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-btn.active {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

.sidebar-lang-selector {
    padding: 1rem 1.5rem;
    display: flex;
    gap: 1rem;
    border-top: 1px solid var(--md-sys-color-surface-variant);
    margin-top: auto;
}

@media (max-width: 768px) {
    /* .nav-actions .lang-selector removed display:none to show it in topbar */
    .nav-actions .lang-selector {
        display: flex;
        gap: 2px;
        padding: 2px;
    }
    .nav-actions .lang-btn {
        padding: 4px 6px;
        font-size: 0.7rem;
    }
}

/* Theme Switch */
.theme-switch {
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--md-sys-color-surface-variant);
}

[data-theme="dark"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: none; }

/* Menu Button */
.menu-btn {
    display: flex;
    background: none;
    border: none;
    color: var(--md-sys-color-on-background);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.menu-btn:hover {
    background-color: var(--md-sys-color-surface-variant);
}

/* Sidebar Navigation Drawer */
.side-nav {
    position: fixed;
    top: 0;
    left: -320px;
    width: 300px;
    height: 100%;
    background-color: var(--md-sys-color-surface);
    z-index: 2001;
    transition: left 0.4s cubic-bezier(0.05, 0.7, 0.1, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 20px 0 50px rgba(0, 0, 0, 0.3);
    border-right: 1px solid var(--md-sys-color-surface-variant);
}

.side-nav.active {
    left: 0;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(4px);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sidebar-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--md-sys-color-surface-variant);
}

.close-btn {
    background: none;
    border: none;
    color: var(--md-sys-color-on-surface-variant);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
}

.close-btn:hover {
    background-color: var(--md-sys-color-surface-variant);
}

.sidebar-links {
    padding: 1.5rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    text-decoration: none;
    color: var(--md-sys-color-on-surface);
    border-radius: 100px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.sidebar-link i {
    width: 20px;
    height: 20px;
    color: var(--md-sys-color-on-surface-variant);
}

.sidebar-link:hover {
    background-color: var(--md-sys-color-surface-variant);
}

.sidebar-link.active {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
}

.sidebar-link.active i {
    color: var(--md-sys-color-on-primary-container);
}

.sidebar-link.pro-link {
    color: var(--md-sys-color-primary);
    font-weight: 700;
}

.sidebar-link.pro-link i {
    color: var(--md-sys-color-primary);
}

.sidebar-divider {
    height: 1px;
    background-color: var(--md-sys-color-surface-variant);
    margin: 1rem 1.5rem;
}

.sidebar-footer {
    padding: 1.5rem;
    font-size: 0.75rem;
    color: var(--md-sys-color-on-surface-variant);
    text-align: center;
    opacity: 0.7;
}

/* Hero Section */
.hero-visual {
    padding: 6rem 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1.2fr 1fr;
    }
}

.intro-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.intro-text p {
    font-size: 1.15rem;
    color: var(--md-sys-color-on-surface-variant);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

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

.btn-primary {
    padding: 1rem 2rem;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s;
}

.btn-secondary {
    padding: 1rem 2rem;
    background: var(--md-sys-color-surface-variant);
    color: var(--md-sys-color-on-surface);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
}

.btn-primary:hover { transform: translateY(-2px); }

/* Showcase Visual */
.showcase-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.video-frame {
    width: 280px;
    background: #000;
    padding: 10px;
    border-radius: 44px;
    border: 6px solid #2a2d2d;
    box-shadow: 0 40px 100px rgba(0,0,0,0.6);
    z-index: 2;
    overflow: hidden; /* Ensures video stays inside frame on all devices */
}

.video-frame video {
    width: 100%;
    border-radius: 34px;
    display: block;
}

.floating-img {
    position: absolute;
    width: 180px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    z-index: 1;
    border: 2px solid rgba(255,255,255,0.1);
}

.floating-img img { width: 100%; display: block; }

.img-1 { top: -20px; right: 0; animation: float 6s ease-in-out infinite; }
.img-2 { bottom: 40px; left: -20px; animation: float 6s ease-in-out infinite reverse; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Privacy Section */
.privacy-section {
    padding: 4rem 0;
}

.privacy-card {
    background: linear-gradient(135deg, var(--md-sys-color-surface-variant), transparent);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
}

.icon-box {
    width: 64px;
    height: 64px;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

/* Features */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--md-sys-color-surface);
    padding: 2.5rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--md-sys-color-surface-variant);
    transition: border-color 0.3s;
}

.feature-card:hover {
    border-color: var(--md-sys-color-primary);
}

.feature-card i {
    color: var(--md-sys-color-primary);
    margin-bottom: 1.5rem;
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.95rem;
}

/* Gallery Section - Dynamic Carousel */
.gallery-section {
    padding: 6rem 0;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    max-width: 100vw;
    margin: 0 auto;
    padding: 2rem 0;
    -webkit-perspective: 1500px;
    perspective: 1500px;
    overflow: hidden;
    touch-action: pan-y;
}

.carousel-track {
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: grab;
    will-change: transform;
    height: 800px;
    position: relative;
}

.carousel-track:active {
    cursor: grabbing;
}

.carousel-item {
    position: absolute;
    width: 280px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-surface-variant);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    opacity: 0;
    pointer-events: none;
    user-select: none;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    backface-visibility: hidden;
}

.carousel-item.active {
    opacity: 1;
    z-index: 10;
    pointer-events: auto;
    box-shadow: 0 40px 80px rgba(0,0,0,0.6), 0 0 20px rgba(111, 246, 246, 0.2);
    border-color: var(--md-sys-color-primary);
}

.carousel-item.visible {
    opacity: 0.6;
    pointer-events: auto;
    cursor: pointer;
}

.carousel-item.visible:hover {
    opacity: 0.8;
}

.carousel-item img {
    width: 100%;
    height: auto;
    aspect-ratio: 9/20;
    object-fit: contain;
    pointer-events: none;
    background-color: var(--md-sys-color-surface);
}

.gallery-text {
    padding: 1.25rem;
    background: var(--md-sys-color-surface-variant);
    color: var(--md-sys-color-on-surface);
    font-size: 1rem;
    font-weight: 800;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    letter-spacing: -0.5px;
    min-height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.carousel-item.active .gallery-text {
    opacity: 1;
}

.typing-cursor::after {
    content: '|';
    margin-left: 2px;
    color: var(--md-sys-color-primary);
    animation: blink 0.8s infinite;
}

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

@media (max-width: 768px) {
    .carousel-track {
        height: 580px; /* Reduced from 700px to avoid taking whole screen */
    }
    .carousel-item {
        width: 180px; /* Smaller items for smaller height */
    }
}

/* Carousel Controls */
.carousel-nav {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
}

.carousel-btn {
    background: var(--md-sys-color-surface-variant);
    color: var(--md-sys-color-on-surface);
    border: none;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    position: relative; /* For hit area */
}

/* Hit area expansion */
.carousel-btn::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
}

.carousel-btn:hover {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    transform: scale(1.1);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--md-sys-color-surface-variant);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative; /* For hit area */
}

/* Hit area expansion for dots */
.dot::after {
    content: '';
    position: absolute;
    top: -12px;
    left: -12px;
    right: -12px;
    bottom: -12px;
}

.dot.active {
    background: var(--md-sys-color-primary);
    width: 24px;
    border-radius: 100px;
}

@media (max-width: 768px) {
    .carousel-item {
        min-width: 200px;
        width: 200px;
    }
    .carousel-item.active {
        transform: scale(1.05) translateZ(30px);
    }
    .carousel-item.prev, .carousel-item.next {
        opacity: 0.3;
        transform: scale(0.8) translateZ(-150px);
    }
    .carousel-item.prev { transform: scale(0.8) translateZ(-150px) rotateY(15deg); }
    .carousel-item.next { transform: scale(0.8) translateZ(-150px) rotateY(-15deg); }

    .carousel-nav {
        display: flex; /* Enable navigation buttons on mobile too */
        margin-top: 2rem;
        gap: 3rem;
    }

    .carousel-btn {
        width: 56px;
        height: 56px;
    }

    .carousel-container {
        padding: 2rem 0;
    }
}

/* Lightbox Slider Styles Removed to avoid conflict with swipe */


/* Pricing Section */
.pricing-section {
    padding: 6rem 0;
    background: rgba(255,255,255,0.02);
}

.pricing-info-text {
    text-align: center;
    margin-top: 3rem;
    opacity: 0.7;
    font-size: 0.9rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}

.price-card {
    background: var(--md-sys-color-surface);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--md-sys-color-surface-variant);
    position: relative;
    display: flex;
    flex-direction: column;
}

.price-card a {
    margin-top: auto;
}

.price-card.featured {
    border: 2px solid var(--md-sys-color-primary);
    background: linear-gradient(180deg, var(--md-sys-color-surface), rgba(111, 246, 246, 0.05));
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    padding: 0.25rem 1rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.price-header h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.price { font-size: 2.5rem; font-weight: 800; margin-bottom: 2rem; }

.price-features {
    list-style: none;
    margin-bottom: 2.5rem;
}

.price-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.price-features li i {
    width: 18px;
    height: 18px;
    color: var(--md-sys-color-primary);
}

.price-features li.disabled {
    opacity: 0.4;
}

.price-features li.disabled i {
    color: var(--md-sys-color-on-surface-variant);
}

.btn-outline {
    display: block;
    text-align: center;
    padding: 1rem;
    border: 1px solid var(--md-sys-color-outline);
    color: var(--md-sys-color-on-surface);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
}

/* Legal / Privacy Pages */
.legal-main {
    padding: 6rem 0;
}

.container-narrow {
    max-width: 800px;
}

.legal-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.legal-version {
    color: var(--md-sys-color-primary);
    font-weight: 700;
    margin-bottom: 3rem;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.legal-section {
    margin-bottom: 4rem;
}

.legal-section h2 {
    margin-bottom: 1.5rem;
}

.legal-intro {
    font-size: 1.1rem;
    color: var(--md-sys-color-on-surface-variant);
}

.legal-list {
    padding-left: 1.5rem;
    margin-top: 1rem;
    color: var(--md-sys-color-on-surface-variant);
}

.legal-list li {
    margin-bottom: 0.75rem;
}

.legal-cta {
    margin-bottom: 4rem;
    padding: 2.5rem;
    background: var(--md-sys-color-surface-variant);
    border-radius: var(--border-radius-md);
}

.legal-cta h3 {
    margin-bottom: 1rem;
}

.dev-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--md-sys-color-primary);
    text-decoration: none;
    font-weight: 600;
}

.dev-link i {
    width: 20px;
    height: 20px;
}

/* Footer */
footer {
    padding: 6rem 0 3rem;
    border-top: 1px solid var(--md-sys-color-surface-variant);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand { max-width: 300px; }
.footer-brand p { margin-top: 1rem; color: var(--md-sys-color-on-surface-variant); }

.footer-links h4 { margin-bottom: 1.5rem; }
.footer-links a {
    display: block;
    margin-bottom: 0.75rem;
    text-decoration: none;
    color: var(--md-sys-color-on-surface-variant);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.legal-disclaimer {
    font-size: 0.8rem;
    opacity: 0.5;
    margin-top: 1rem;
}

.footer-github-link {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    text-decoration: none;
    transition: opacity 0.2s;
}

.footer-github-link:hover {
    opacity: 0.7;
}

.github-icon {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1); /* Bianco in Dark Mode */
}

[data-theme="light"] .github-icon {
    filter: brightness(0); /* Nero in Light Mode */
}

/* Responsive Design & Media Queries */

/* Tablet & Smaller Desktops */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .intro-text p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-btns {
        justify-content: center;
    }

    .showcase-visual {
        order: -1; /* Video prima del testo su tablet per impatto visivo */
    }

    .floating-img {
        display: none; /* Rimuove elementi di disturbo su schermi piccoli */
    }

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

/* Mobile Phones */
@media (max-width: 768px) {
    :root {
        --border-radius-lg: 16px;
    }

    header {
        padding: 0.75rem 0;
    }

    .nav-actions .nav-link,
    .nav-actions .btn-pro {
        display: none;
    }

    .intro-text h1 {
        font-size: 2.2rem;
    }

    .hero-visual {
        padding: 3rem 0;
    }

    .video-frame {
        width: 240px; /* Più piccolo per i telefoni */
        border-width: 4px;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .privacy-card {
        padding: 2rem 1.5rem;
    }

    .pricing-grid {
        flex-direction: column;
        align-items: center;
    }

    .price-card {
        padding: 2rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-brand {
        margin: 0 auto;
    }

    .legal-title {
        font-size: 1.8rem;
    }
}

/* Very small devices */
@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .hero-btns .btn-primary,
    .hero-btns .btn-secondary {
        width: 100%;
        text-align: center;
    }
}

/* Install Guide for APK */
.install-guide {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background: var(--md-sys-color-surface-variant);
    border-radius: var(--border-radius-md);
    text-align: left;
    font-size: 0.85rem;
    border: 1px dashed var(--md-sys-color-outline);
}

.install-guide h4 {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--md-sys-color-primary);
}

.guide-steps {
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.6;
}