/* ════════════════════════════════════════════════════════════════════
   HOME — Hero Search CTA  (replaces old i4-hero-layout / hero-card)
   ════════════════════════════════════════════════════════════════════ */
.i4-hero-content { justify-content: flex-start; }

.i4-hero {
    height: 100vh !important;
}
.i4-hero .swiper.hero-swiper,
.i4-hero .swiper-wrapper,
.i4-hero .swiper-slide {
    height: 100% !important;
}
.i4-hero .hero-bg {
    background-color: transparent !important;
    background-image: inherit;
}
.i4-hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    pointer-events: none;
}
.i4-hero-overlay .container,
.i4-hero-overlay .i4-hero-grid {
    pointer-events: auto;
}

/* Hero is a 2-column grid: 2fr (search) + 1fr (program stats card).
   On tablet/mobile it collapses to a single column. */
.i4-hero-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3.5rem;
    align-items: center;
    padding: 7rem 0 4rem;
}

.i4-hero-search {
    color: #fff;
    text-align: left;
    max-width: 720px;
}
.i4-hero-search-title {
    /* Serif title — editorial / institutional feel. Weight 500 (medium)
       reads as "refined", not "bold". Slight positive letter-spacing
       opens the type up; tighter leading keeps it composed. */
    font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
    font-weight: 500;
    font-size: clamp(2.1rem, 4.8vw, 4rem);
    line-height: 1.12;
    letter-spacing: -0.005em;
    margin: 0 0 1.1rem;
    color: #fff;
    text-shadow: 0 4px 32px rgba(0, 0, 0, 0.5);
}
.i4-hero-search-sub {
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.88);
    margin: 0 0 2rem;
    max-width: 600px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

/* Search bar — large, glassy, prominent */
.i4-hero-search-form { margin-bottom: 1.5rem; }
.i4-hero-search-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.5rem 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1.5px solid rgba(255, 255, 255, 0.28);
    border-radius: var(--radius-full);
    box-shadow:
        0 20px 60px -10px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: border-color 0.25s, background 0.25s, transform 0.25s;
}
.i4-hero-search-bar:focus-within {
    border-color: var(--clr-gold);
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
}
.i4-hero-search-bar-icon { color: rgba(255, 255, 255, 0.7); flex-shrink: 0; }
.i4-hero-search-bar-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: #fff;
    font-size: 1.05rem;
    font-family: inherit;
    font-weight: 500;
    padding: 0.95rem 0;
    min-width: 0;
}
.i4-hero-search-bar-input::placeholder {
    color: rgba(255, 255, 255, 0.55);
    font-weight: 400;
}
.i4-hero-search-bar-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--clr-gold) 0%, var(--clr-gold-dark) 100%);
    color: var(--clr-blue-deeper);
    font-weight: 800;
    font-size: 0.95rem;
    padding: 0.9rem 1.8rem;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(249, 167, 3, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}
.i4-hero-search-bar-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 30px rgba(249, 167, 3, 0.55);
}
.i4-hero-search-bar-btn svg { transition: transform 0.2s; }
.i4-hero-search-bar-btn:hover svg { transform: translateX(3px); }

/* Popular tags */
.i4-hero-search-tags {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.55rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}
.i4-hero-search-tags-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-right: 0.25rem;
}
.i4-hero-search-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.95rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-decoration: none;
    backdrop-filter: blur(6px);
    transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}
.i4-hero-search-tag:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
    transform: translateY(-1px);
}

/* Optional slide-level CTAs below the search */
.i4-hero-search-actions {
    margin-top: 1.75rem;
    display: flex;
    gap: 0.85rem;
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* ── Hero-card override for this page ──
   site.css has the base .i4-hero-card styles. Higher-specificity selector
   `.i4-hero-grid .i4-hero-card` overrides the legacy `display:none` rules
   that hid the card on small viewports for the old i4-hero-layout. */
.i4-hero-grid .i4-hero-card {
    display: block;
    width: 100%;
    max-width: 360px;
    justify-self: end;
}

/* Tablet & mobile (≤980px): hide program stats card; search takes full width */
@media (max-width: 980px) {
    .i4-hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 6rem 0 4rem;
    }
    .i4-hero-search { max-width: none; }
    .i4-hero-grid .i4-hero-card { display: none !important; }
}

/* Mobile (≤720px): tighter spacing + wrap search bar buttons */
@media (max-width: 720px) {
    .i4-hero-grid {
        padding: 5rem 0 3rem;
    }
    .i4-hero-search-bar {
        flex-wrap: wrap;
        border-radius: 22px;
        padding: 0.75rem 1rem;
    }
    .i4-hero-search-bar-input  { width: 100%; padding: 0.5rem 0; font-size: 1rem; }
    .i4-hero-search-bar-btn    { width: 100%; justify-content: center; padding: 0.85rem; }
    .i4-hero-search-bar-btn-label { font-size: 1rem; }
    .i4-hero-search-tags-label { display: none; }
}

/* ════════════════════════════════════════════════════════════════════
   HOME — About BBGTK section (replaces old i4-search-cta content)
   ════════════════════════════════════════════════════════════════════ */
.i4-about-cta { padding: 6rem 0 5rem; }
.i4-about-cta-grid {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 4rem;
    align-items: center;
}

/* LEFT — intro copy */
.i4-about-cta-intro { color: #fff; }
.i4-about-cta-title {
    font-size: clamp(1.85rem, 3.4vw, 2.7rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.015em;
    color: #fff;
    margin: var(--sp-3) 0 1.25rem;
}
.i4-about-cta-desc {
    font-size: 1.025rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.78);
    margin: 0 0 2rem;
    max-width: 540px;
}
.i4-about-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.95rem 1.75rem;
    background: linear-gradient(135deg, var(--clr-gold) 0%, var(--clr-gold-dark) 100%);
    color: var(--clr-blue-deeper);
    font-weight: 800;
    font-size: 0.95rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    box-shadow: 0 12px 30px rgba(249, 167, 3, 0.45);
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s;
}
.i4-about-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 38px rgba(249, 167, 3, 0.6);
    color: var(--clr-blue-deeper);
}
.i4-about-cta-btn svg { transition: transform 0.2s; }
.i4-about-cta-btn:hover svg { transform: translateX(4px); }

/* RIGHT — Tugas + Fungsi cards */
.i4-about-cta-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}
.i4-about-cta-card {
    position: relative;
    padding: 1.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow:
        0 24px 48px -16px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    color: #fff;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.i4-about-cta-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.24);
    box-shadow: 0 30px 60px -16px rgba(0, 0, 0, 0.6),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.i4-about-cta-card::before {
    content: '';
    position: absolute;
    top: 0; left: 1.5rem; right: 1.5rem;
    height: 3px;
    border-radius: 0 0 3px 3px;
}
.i4-about-cta-card--blue::before {
    background: linear-gradient(90deg, var(--clr-blue-light), var(--clr-blue));
    box-shadow: 0 2px 12px rgba(6, 122, 193, 0.4);
}
.i4-about-cta-card--gold::before {
    background: linear-gradient(90deg, var(--clr-gold-light), var(--clr-gold));
    box-shadow: 0 2px 12px rgba(249, 167, 3, 0.4);
}
.i4-about-cta-card-head {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}
.i4-about-cta-card-icon {
    width: 42px; height: 42px;
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.i4-about-cta-card--blue .i4-about-cta-card-icon {
    background: rgba(6, 122, 193, 0.22);
    border: 1px solid rgba(6, 122, 193, 0.4);
    color: var(--clr-blue-light);
}
.i4-about-cta-card--gold .i4-about-cta-card-icon {
    background: rgba(249, 167, 3, 0.18);
    border: 1px solid rgba(249, 167, 3, 0.4);
    color: var(--clr-gold-light);
}
.i4-about-cta-card-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
    margin: 0;
    letter-spacing: -0.01em;
}
.i4-about-cta-card-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
.i4-about-cta-card-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.94rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.82);
}
.i4-about-cta-card-list svg {
    flex-shrink: 0;
    margin-top: 0.18rem;
}
.i4-about-cta-card--blue .i4-about-cta-card-list svg { color: var(--clr-blue-light); }
.i4-about-cta-card--gold .i4-about-cta-card-list svg { color: var(--clr-gold-light); }
.i4-about-cta-card-list li span { display: block; }

/* Responsive */
@media (max-width: 980px) {
    .i4-about-cta-grid { grid-template-columns: 1fr; gap: 3rem; }
    .i4-about-cta-desc { max-width: none; }
}
@media (max-width: 640px) {
    .i4-about-cta { padding: 4.5rem 0 4rem; }
    .i4-about-cta-cards { grid-template-columns: 1fr; }
    .i4-about-cta-card { padding: 1.5rem 1.25rem; }
}