/* =========================================================================
   1. HERO SECTION: THE SOVEREIGN GATEWAY (Luxury Apple Style Minimalism)
   CRITICAL NAVIGATION SHIELD ENGINE BY SASA (V2.6)
   ========================================================================= */

.sasa-hero-gateway {
    --hero-bg: #ffffff; /* Hitam pekat laboratorium */
    --hero-white: #000000;
    --hero-muted: #86868b;
    --hero-accent-dim: rgba(255, 255, 255, 0.03);

    position: relative;
    width: 100%;
    min-height: 100vh; /* Tinggi pas, mewah, gak maruk screen */
    background-color: var(--hero-bg);
    
    /* PENYELAMAT NAVBAR: Jaga-jaga kalau navbar lu tinggi banget, 
       ini ngasih ruang aman biar headline gak ketutup */
    padding: 180px 24px 80px 24px; 
    
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    overflow: hidden;
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", sans-serif;
}

/* Background Grid Pattern Mewah / Efek Tesla Lab */
.sasa-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--hero-accent-dim) 1px, transparent 1px),
        linear-gradient(90deg, var(--hero-accent-dim) 1px, transparent 1px);
    background-size: 40px 40px; /* Grid samar ala blueprint sains */
    background-position: center top;
    mask-image: radial-gradient(circle, black 40%, transparent 90%);
    -webkit-mask-image: radial-gradient(circle, black 40%, transparent 90%);
    z-index: 1;
    pointer-events: none;
}

.sasa-hero-container {
    position: relative;
    max-width: 800px; /* Biar teks baris headline ke-wrap elegan */
    width: 100%;
    z-index: 2; /* Di atas grid line */
}



/* Headline Sinematik Presisi Tinggi */
.sasa-hero-headline {
    font-size: clamp(34px, 5.5vw, 64px); /* Mengikuti lebar layar otomatis */
    font-weight: 700;
    color: var(--hero-white);
    letter-spacing: -0.035em;
    line-height: 1.1;
    margin: 0 0 24px 0;
}

/* Deskripsi / Subtitle */
.sasa-hero-subline {
    font-size: clamp(15px, 1.8vw, 18px);
    line-height: 1.6;
    color: var(--hero-muted);
    max-width: 620px;
    margin: 0 auto 48px auto;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* Indikator Scroll Halus di Bawah */
.sasa-scroll-indicator {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 20px;
    height: 40px;
    border: 1px solid rgba(0, 0, 0, 0.9);
    border-radius: 10px;
    position: relative;
}

.sasa-scroll-line {
    display: block;
    width: 2px;
    height: 8px;
    background-color: var(--hero-white);
    border-radius: 1px;
    position: absolute;
    top: 6px;
    animation: sasaMouseScroll 2s infinite cubic-bezier(0.25, 1, 0.5, 1);
}

/* Animasi Naik Turun Indikator ala Apple Device */
@keyframes sasaMouseScroll {
    0% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
    100% { transform: translateY(0); opacity: 1; }
}

@media (max-width: 768px) {
    .sasa-hero-gateway {
        min-height: 100vh; /* Sedikit lebih pendek di mobile biar dapet CTA form-nya */
        padding-top: 140px; /* Penyesuaian navbar mobile */
    }
    .sasa-hero-badge {
        margin-bottom: 20px;
    }
}


/* =========================================================================
   2. CONTACT SECTION: LUXURY MINIMALIST APPLE LABORATORY
   CRITICAL UPGRADE BY SASA: BALANCED ULTIMATE RESPONSIVE ENGINE (V2.6)
   ========================================================================= */

.sasa-contact-section {
    --bg-color: #000000; /* Murni Hitam */
    --accent-white: #ffffff; /* Putih Bersih */
    --text-muted: #86868b; /* Abu-abu Satin Apple */
    --border-soft: rgba(255, 255, 255, 0.1); /* Tipis Presisi */
    
    background-color: var(--bg-color);
    color: var(--accent-white);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, sans-serif;
    padding: 140px 40px; 
    box-sizing: border-box;
    letter-spacing: -0.022em;
    overflow: hidden; 
}

.sasa-contact-container {
    max-width: 1200px; 
    margin: 0 auto;
    width: 100%;
}

/* Kunci utama kelancaran layout: Grid System Fluid anti-bentrok */
.sasa-contact-grid {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 60px;
    width: 100%;
}

@media (min-width: 992px) {
    .sasa-contact-grid {
        grid-template-columns: repeat(2, 1fr); 
        gap: 120px; 
    }
}

/* Kolom Kiri: Info Credential */
.sasa-info-column {
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

/* Kolom Kanan: Form Transmisi */
.sasa-form-column {
    width: 100%;
    box-sizing: border-box;
    border-left: none; 
    padding-left: 0;
}

@media (min-width: 992px) {
    .sasa-form-column {
        border-left: 1px solid var(--border-soft);
        padding-left: 60px;
    }
}

/* Typography & Badges */
.sasa-tagline {
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 12px;
    font-weight: 500;
}

.sasa-title {
    font-size: clamp(32px, 4vw, 46px); 
    font-weight: 700;
    color: var(--accent-white);
    letter-spacing: -0.03em;
    margin: 0 0 40px 0;
    line-height: 1.15;
}

.sasa-corporate-badge {
    border-left: 1px solid var(--border-soft); 
    padding-left: 20px;
    margin-bottom: 40px;
}

.sasa-contact-item {
    margin-bottom: 30px;
}

.sasa-contact-item:last-child {
    margin-bottom: 0;
}

.sasa-item-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 8px;
    font-weight: 600;
    display: flex;
    align-items: center; 
}

.sasa-item-label::before {
    content: "";
    display: inline-block;
    width: 5px;
    height: 5px;
    background-color: var(--accent-white); 
    border-radius: 50%;
    margin-right: 10px;
    flex-shrink: 0;
}

.sasa-item-value {
    font-size: 15px;
    line-height: 1.6;
    color: var(--accent-white);
    font-weight: 400;
    padding-left: 15px; 
}

.sasa-item-value a {
    color: var(--accent-white);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.sasa-item-value a:hover {
    border-bottom: 1px solid var(--accent-white);
}

/* Google Maps Flat Lab Interface */
.sasa-maps-wrapper {
    margin-top: auto; 
    border: 1px solid var(--border-soft);
    filter: grayscale(0.50) invert(0.99) contrast(1.1); 
    height: 320px;
    border-radius: 4px; 
    overflow: hidden;
}

.sasa-maps-wrapper iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* Interactive Floating Form Minimalis */
.sasa-form-group {
    position: relative;
    margin-bottom: 40px;
}

.sasa-form-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-soft);
    padding: 10px 0;
    color: var(--accent-white);
    font-size: 15px;
    outline: none;
    border-radius: 0;
    transition: border-color 0.3s ease;
}

.sasa-form-input:focus {
    border-bottom: 1px solid var(--accent-white);
}

.sasa-form-label {
    position: absolute;
    top: 10px;
    left: 0;
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
    transition: all 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* Animasi Label Mengambang Sempurna */
.sasa-form-input:focus ~ .sasa-form-label,
.sasa-form-input:valid ~ .sasa-form-label {
    top: -16px;
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

textarea.sasa-form-input {
    height: 110px;
    resize: none;
}

/* Button Premium Solid Capsule Layout */
.sasa-btn-submit {
    background: var(--accent-white);
    color: var(--bg-color);
    border: none;
    padding: 14px 36px; 
    font-size: 13px;
    letter-spacing: 0.05em;
    font-weight: 600;
    border-radius: 24px; 
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease, opacity 0.2s ease;
}

.sasa-btn-submit:hover {
    background: transparent;
    color: var(--accent-white);
    box-shadow: inset 0 0 0 1px var(--accent-white); 
}

/* --- RESPONSIVE CALIBRATION FOR TABLET & MOBILE --- */
@media (max-width: 991px) {
    .sasa-contact-section {
        padding: 100px 24px; 
    }

    .sasa-contact-grid {
        gap: 50px;
    }

    .sasa-form-column {
        border-top: 1px solid var(--border-soft); 
        padding-top: 50px;
    }
    
    .sasa-maps-wrapper {
        margin-top: 40px; 
    }
}

@media (max-width: 480px) {
    .sasa-title {
        margin-bottom: 30px;
    }
    
    .sasa-btn-submit {
        width: 100%; 
    }
}