/* Hero section - top of homepage */

.hero-section {
    padding: var(--sp-10) var(--sp-6) var(--sp-8);
    background: var(--color-bg);
    position: relative;
    z-index: 5;  /* sit above subsequent sections so the contact popover can overlap them */
    /* NOTE: no overflow:hidden here — the Book-a-Tour popover needs to escape
       the section to remain visible. The decorative blob is clipped via its
       own wrapper below. */
}

/* Decorative blob, isolated in its own clipping wrapper so it doesn't bleed
   into adjacent sections AND doesn't clip the contact popover. */
.hero-blob-wrapper {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.hero-blob-wrapper::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 50%;
    height: 60%;
    background: var(--gradient-brand-soft);
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.6;
}

.hero-container {
    max-width: var(--max-w-content);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: var(--sp-8);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    min-width: 0;
}

.hero-headline {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4.5vw, 2.75rem);
    line-height: var(--lh-tight);
    color: var(--color-text);
    margin: 0 0 var(--sp-5);
    font-weight: 700;
    letter-spacing: -0.015em;
}

.hero-subheadline {
    font-size: var(--fs-md);
    color: var(--color-text-muted);
    margin: 0 0 var(--sp-4);
    line-height: var(--lh-base);
}

.hero-smallline {
    display: inline-block;
    font-size: var(--fs-sm);
    color: var(--color-primary-dark);
    background: var(--color-primary-tint);
    margin: 0 0 var(--sp-7);
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--radius-pill);
    font-weight: 600;
    letter-spacing: 0.01em;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
    align-items: center;
}

.hero-cta {
    padding: var(--sp-4) var(--sp-7);
    font-size: var(--fs-base);
    font-weight: 600;
    border-radius: var(--radius-pill);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    cursor: pointer;
    transition: transform var(--t-base), box-shadow var(--t-base), background var(--t-base), color var(--t-base);
    border: 2px solid transparent;
    font-family: inherit;
    line-height: 1;
    min-height: 48px;
}

.hero-cta-primary {
    background: var(--color-primary);
    color: var(--color-text-on-brand);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-brand);
}

.hero-cta-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    color: var(--color-text-on-brand);
}

.hero-cta-caret {
    font-size: 0.7rem;
    transition: transform var(--t-base);
}

.hero-cta-primary.open .hero-cta-caret {
    transform: rotate(180deg);
}

.hero-cta-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.hero-cta-secondary:hover {
    background: var(--color-primary);
    color: var(--color-text-on-brand);
    transform: translateY(-2px);
}

/* Contact options popover (Viber / WeChat / Phone) */
.hero-cta-primary-wrapper {
    position: relative;
    display: inline-block;
}

.hero-contact-popover {
    position: absolute;
    top: calc(100% + var(--sp-2));
    left: 0;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--sp-2);
    min-width: 240px;
    z-index: 100;
    display: none;
    flex-direction: column;
    border: 1px solid var(--color-border);
}

.hero-cta-primary.open + .hero-contact-popover {
    display: flex;
    animation: hero-popover-fade-in 0.2s ease;
}

@keyframes hero-popover-fade-in {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-contact-item {
    display: flex;
    flex-direction: column;
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-text);
    transition: background var(--t-fast);
    cursor: pointer;
}

.hero-contact-item:hover {
    background: var(--color-primary-tint);
    color: var(--color-text);
}

.hero-contact-item-static {
    cursor: default;
}

.hero-contact-item-static:hover {
    background: transparent;
}

.hero-contact-label {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 2px;
}

.hero-contact-value {
    font-size: var(--fs-sm);
    color: var(--color-text);
    font-weight: 500;
}

/* 4-image collage */
.hero-collage {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--sp-3);
    aspect-ratio: 1 / 1;
}

.hero-collage-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--color-bg-alt);
}

.hero-collage-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--t-slow);
}

.hero-collage-item:hover img {
    transform: scale(1.04);
}

.hero-collage-item-1 { transform: translateY(-0.4rem); }
.hero-collage-item-4 { transform: translateY(0.4rem); }

/* Responsive */
@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--sp-7);
    }
    .hero-collage {
        max-width: 480px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: var(--sp-8) var(--sp-4) var(--sp-7);
    }
    .hero-headline {
        font-size: 1.65rem;
    }
    .hero-ctas {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-cta {
        justify-content: center;
        width: 100%;
        padding: var(--sp-4) var(--sp-5);
    }
    .hero-cta-primary-wrapper {
        width: 100%;
    }
    .hero-contact-popover {
        left: 0;
        right: 0;
        min-width: 0;
    }
    .hero-collage-item-1,
    .hero-collage-item-4 {
        transform: none;
    }
}