/* Reset e Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 50%, #000000 100%);
    background-attachment: fixed;
    color: #ffffff;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 80px 20px 60px;
    position: relative;
    text-align: center;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 200;
    letter-spacing: -3px;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.hero-title .highlight {
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.5px;
    margin-top: 12px;
}

/* Cards Section */
.cards-section {
    padding: 80px 20px 120px;
    background: linear-gradient(180deg, #1a1a1a 0%, #0f0f0f 100%);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1300px;
    margin: 0 auto;
}

.card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 40px;
    padding: 40px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
    transform: translateY(-5px);
}

.card-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    font-size: 20px;
    font-weight: 300;
    color: #ffffff;
    letter-spacing: 0.5px;
    line-height: 1.5;
}

.card-content .emoji {
    font-size: 32px;
    margin-bottom: 8px;
}

.button {
    display: inline-block;
    margin-top: 12px;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 14px;
    cursor: pointer;
    align-self: flex-end;
}

.button:hover {
    background: #ffffff;
    color: #000000;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    width: 100%;
    padding: 80px 20px;
    background: linear-gradient(180deg, #0a0a0a 0%, #000000 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    text-align: center;
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE FRIENDLY
   ============================================ */

/* Tablet (768px - 968px) */
@media (max-width: 968px) {
    .hero {
        min-height: 70vh;
        padding: 60px 30px 50px;
    }

    .cards-section {
        padding: 60px 30px 80px;
    }

    .cards-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
    }

    .card {
        padding: 35px;
        min-height: 180px;
    }

    .card-content {
        font-size: 18px;
    }

    .footer {
        padding: 60px 20px;
    }
}

/* Mobile Large (481px - 640px) */
@media (max-width: 640px) {
    .hero {
        min-height: 60vh;
        padding: 50px 20px 40px;
    }

    .hero-title {
        letter-spacing: -2px;
        margin-bottom: 16px;
    }

    .hero p {
        font-size: 1rem;
    }

    .cards-section {
        padding: 50px 20px 60px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .card {
        border-radius: 30px;
        padding: 30px;
        min-height: 160px;
    }

    .card-content {
        font-size: 17px;
    }

    .card-content .emoji {
        font-size: 28px;
    }

    .button {
        padding: 9px 20px;
        font-size: 13px;
    }

    .footer {
        padding: 50px 20px;
        font-size: 13px;
    }
}

/* Mobile Small (max 480px) */
@media (max-width: 480px) {
    .hero {
        padding: 40px 16px 30px;
        min-height: 50vh;
    }

    .hero-title {
        font-size: clamp(2.5rem, 10vw, 4rem);
        letter-spacing: -1px;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .cards-section {
        padding: 40px 16px 50px;
    }

    .cards-grid {
        gap: 20px;
    }

    .card {
        border-radius: 25px;
        padding: 25px;
        min-height: 150px;
    }

    .card-content {
        font-size: 16px;
        gap: 10px;
    }

    .card-content .emoji {
        font-size: 26px;
    }

    .button {
        padding: 8px 18px;
        font-size: 12px;
        margin-top: 8px;
    }

    .footer {
        padding: 40px 16px;
        font-size: 12px;
    }
}

/* Mobile Extra Small (max 360px) */
@media (max-width: 360px) {
    .hero-title {
        font-size: clamp(2rem, 12vw, 3rem);
    }

    .card {
        min-height: 140px;
        padding: 20px;
    }

    .card-content {
        font-size: 15px;
    }

    .card-content .emoji {
        font-size: 24px;
    }

    .button {
        padding: 7px 16px;
        font-size: 11px;
    }
}

/* Landscape mode ottimizzazione */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 80px 20px 40px;
    }

    .cards-section {
        padding: 50px 20px 80px;
    }
}

/* Touch device ottimizzazioni */
@media (hover: none) and (pointer: coarse) {
    .button {
        padding: 12px 28px;
        font-size: 14px;
    }

    .card:hover {
        transform: none;
    }

    .button:hover {
        transform: none;
    }
}

/* Migliora performance su dispositivi mobili */
@media (max-width: 968px) {
    * {
        -webkit-tap-highlight-color: transparent;
    }

    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    .card,
    .button {
        will-change: transform;
    }
}