/* --- Intro Section (BEM) --- */
.intro {
    background-color: var(--color-bg-light);
    width: 100%;
    color: var(--color-text-dark);
    padding: var(--space-5xl) 0 var(--space-4xl) 0;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    font-family: var(--font-main);
}

.intro__container {
    width: 90%;
    max-width: var(--max-width);
    z-index: 2;
    position: relative;
}

/* Text Content */
.intro__content {
    margin-bottom: var(--space-4xl);
    max-width: 800px;
}

.intro__tagline {
    font-size: 0.95rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--color-text-grey-dark);
}

.intro__dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 10px var(--shadow-primary-glow);
}

.intro__title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--color-text-dark);
    margin-bottom: var(--space-2xl);
    text-transform: uppercase;
}

.intro__title-highlight {
    color: transparent;
    -webkit-text-stroke: 2px var(--color-text-dark);
    transition: color 0.3s ease;
}

.intro:hover .intro__title-highlight {
    color: var(--color-primary);
    -webkit-text-stroke: 2px var(--color-primary);
}

/* Button */
.intro__button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-light);
    background-color: var(--color-text-dark);
    padding: var(--space-md) var(--space-xl);
    border-radius: 50px;
    text-decoration: none;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), background-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 10px 20px var(--shadow-card);
    /* Accessibility: Minimum touch target size */
    min-height: 44px;
    min-width: 44px;
    justify-content: center;
}

.intro__button:hover {
    transform: scale(1.05);
    background-color: var(--color-primary);
    box-shadow: 0 15px 30px var(--shadow-primary-low);
}

.intro__arrow {
    transition: transform 0.3s;
}

.intro__button:hover .intro__arrow {
    transform: translateX(5px);
}

/* Decorative Squares */
.intro__bg-squares {
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    margin-right: 5%;
}

.intro__square {
    position: absolute;
    background-color: transparent;
    width: 150px;
    height: 150px;
    border: 2px solid var(--border-dark-fainter);
    transition: all 0.5s ease;
}

.intro:hover .intro__square {
    border-color: var(--border-primary-fainter);
    transform: rotate(5deg);
}

.intro__square--1 {
    top: 10%;
    right: 150px;
}

.intro__square--2 {
    top: 30%;
    right: 0;
    background-color: var(--bg-primary-fainter);
}

.intro__square--3 {
    top: 50%;
    right: 100px;
    width: 100px;
    height: 100px;
}

/* Divider Line */
.intro__divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--color-bg-light-grey), transparent);
    margin-bottom: var(--space-3xl);
}

/* Logo Strip */
.intro__logo-strip {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3xl);
    padding: var(--space-lg) 0;
    list-style: none;
    margin: 0;
}

.intro__partner-logo {
    font-family: var(--font-main);
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--color-text-grey-dark);
    text-transform: uppercase;
    letter-spacing: -0.5px;
    cursor: default;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
}

.intro__partner-logo:hover {
    color: var(--color-text-dark);
    transform: translateY(-5px);
    text-shadow: 0 10px 20px var(--shadow-text-faint);
}

/* Responsive */
@media (max-width: 1024px) {
    .intro {
        padding: var(--space-4xl) 0;
    }
    
    .intro__content {
        max-width: 100%;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .intro__tagline {
        justify-content: center;
    }

    .intro__bg-squares {
        opacity: 0.15;
        right: -150px;
    }
    
    .intro__logo-strip {
        justify-content: center;
        gap: var(--space-xl);
    }
    
    .intro__partner-logo {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .intro {
        padding: var(--space-3xl) 0;
    }

    .intro__title {
        font-size: clamp(2rem, 9vw, 3.5rem);
        margin-bottom: var(--space-xl);
    }

    .intro__bg-squares {
        display: none;
    }

    .intro__button {
        width: 100%;
        max-width: 320px;
        justify-content: center;
        padding: var(--space-md) var(--space-lg);
    }

    .intro__logo-strip {
        gap: var(--space-lg);
        padding: var(--space-md) 0;
    }
}

@media (max-width: 480px) {
    .intro__title {
        font-size: clamp(1.75rem, 10vw, 2.5rem);
    }

    .intro__tagline {
        font-size: 0.85rem;
        letter-spacing: 2px;
    }

    .intro__logo-strip {
        gap: var(--space-md);
        flex-direction: row;
        flex-wrap: wrap;
    }

    .intro__partner-logo {
        font-size: 1rem;
    }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .intro__button,
    .intro__arrow,
    .intro__partner-logo,
    .intro__square,
    .intro__title-highlight {
        transition: none !important;
        animation: none !important;
        transform: none !important;
    }

    .intro:hover .intro__square {
        transform: none;
    }

    .intro__button:hover {
        transform: none;
    }

    .intro__button:hover .intro__arrow {
        transform: none;
    }
    
    .intro__partner-logo:hover {
        transform: none;
    }
}