/* ====================================================
   CSS Variables for Color Mood
   ==================================================== */
:root {
    --cream: #FDF7EC;      
    --forest: #0D382D;     
    --forest-rgb: 13, 56, 45;
    --timber: #139A77;     
    --sand: #BAE0ED;       
    --ocean: #409CE0;      
    --ocean-rgb: 64, 156, 224;
}

/* ====================================================
   Base Typography & Resets
   ==================================================== */
body {
    background-color: var(--cream);
    color: var(--forest);
    font-family: 'Open Sans', sans-serif;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: 'General Sans', sans-serif;
    font-weight: 500;
}

a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
p { margin-bottom: 0; }

/* Invisible scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #E5E5E5; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--ocean); }
::selection { background: var(--ocean); color: var(--cream); }

/* ====================================================
   Custom Utility Classes
   ==================================================== */
.text-forest { color: var(--forest); }
.text-timber { color: var(--timber); }
.text-ocean { color: var(--ocean); }
.text-sand { color: var(--sand); }
.text-forest-muted { color: rgba(var(--forest-rgb), 0.6); }

.bg-cream { background-color: var(--cream); }
.bg-sand { background-color: var(--sand); }
.bg-forest { background-color: var(--forest); color: var(--cream); }

.tracking-wide { letter-spacing: 0.02em; }
.tracking-widest { letter-spacing: 0.2em; }
.tracking-mega { letter-spacing: 0.3em; }
.tracking-tight { letter-spacing: -0.02em; }

.text-tiny { font-size: 10px; }
.text-mega { font-size: clamp(3rem, 6vw, 5.5rem); line-height: 1.05; }
.section-padding { padding-top: 8rem; padding-bottom: 8rem; }

/* ====================================================
   Navbar Transitions
   ==================================================== */
.navbar-custom {
    --nav-text-color: var(--cream);
    --nav-text-rgb: 253, 247, 236;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    padding-top: 2rem; padding-bottom: 2rem;
    background-color: transparent; border-bottom: 1px solid transparent;
}
.navbar-scrolled {
    --nav-text-color: var(--forest);
    --nav-text-rgb: 13, 56, 45;
    background-color: rgba(253, 247, 236, 0.95);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    padding-top: 1.25rem; padding-bottom: 1.25rem;
    border-bottom-color: rgba(var(--forest-rgb), 0.05);
}

/* Inner Navbar Modifier */
.navbar-custom.navbar-inner {
    --nav-text-color: var(--forest);
    --nav-text-rgb: 13, 56, 45;
    background-color: rgba(253, 247, 236, 0.95);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    padding-top: 1.25rem; padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(var(--forest-rgb), 0.05);
}

.navbar-brand { color: var(--nav-text-color) !important; transition: color 0.5s ease; }

.nav-link-custom {
    font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600;
    color: rgba(var(--nav-text-rgb), 0.7) !important; margin-left: 2rem; transition: color 0.3s ease;
}
.nav-link-custom:hover, .nav-link-custom.active { color: var(--nav-text-color) !important; opacity: 1; }
.nav-menu-icon { color: var(--nav-text-color); transition: color 0.5s ease; }

/* Mobile Navbar Menu Styles */
@media (max-width: 767.98px) {
    .navbar-collapse {
        background-color: var(--cream);
        padding: 1.5rem;
        border-radius: 1rem;
        margin-top: 1rem;
        border: 1px solid rgba(var(--forest-rgb), 0.05);
        box-shadow: 0 10px 30px rgba(13, 56, 45, 0.1);
        text-align: center;
    }
    .nav-link-custom {
        margin-left: 0 !important;
        padding: 0.75rem 0 !important;
        color: var(--forest) !important; 
    }
    .nav-item .btn-outline-dark {
        margin-top: 1rem;
        display: inline-block;
        color: var(--forest) !important;
        border-color: var(--forest) !important;
    }
}

/* ====================================================
   Cinematic / Dramatic Hero Background
   ==================================================== */
.hero-bg-container {
    position: absolute; inset: 0; z-index: 0; overflow: hidden; background-color: var(--forest);
}
.hero-bg-img {
    width: 100%; height: 100%; object-fit: cover;
    animation: slowZoom 30s linear infinite alternate;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(13,56,45,0.7) 0%, rgba(13,56,45,0.95) 100%);
    z-index: 1;
}
@keyframes slowZoom {
    0% { transform: scale(1.05) translateY(0); }
    100% { transform: scale(1.15) translateY(-2%); }
}

/* Massive Numbers */
.data-giant {
    font-family: 'General Sans', sans-serif;
    font-weight: 300;
    font-size: clamp(4rem, 10vw, 8rem);
    line-height: 1;
    letter-spacing: -0.03em;
}

/* ====================================================
   Buttons & CTA
   ==================================================== */
.btn-solid {
    background-color: var(--timber); color: var(--cream); padding: 1rem 2.5rem; font-size: 11px;
    letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600; border: 1px solid var(--timber);
    display: inline-flex; align-items: center; justify-content: center; transition: all 0.4s ease;
    text-align: center; cursor: pointer; outline: none;
}
.btn-solid:hover { background-color: var(--ocean); color: var(--cream); border-color: var(--ocean); }

.btn-outline {
    background-color: transparent; color: var(--cream); padding: 1rem 2.5rem; font-size: 11px;
    letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600; border: 1px solid rgba(253, 247, 236, 0.4);
    display: inline-flex; align-items: center; justify-content: center; transition: all 0.4s ease;
    text-align: center;
}
.btn-outline:hover { background-color: var(--ocean); color: var(--cream); border-color: var(--ocean); }

.btn-outline-dark {
    background-color: transparent; color: var(--forest); border-color: rgba(var(--forest-rgb), 0.3);
    padding: 0.5rem 1.5rem; font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600;
    display: inline-flex; align-items: center; justify-content: center; transition: all 0.4s ease; border-radius: 4px;
}
.btn-outline-dark:hover { border-color: var(--ocean); background-color: var(--ocean); color: var(--cream); }

/* ====================================================
   Links, Forms & Inputs
   ==================================================== */
.explore-link {
    display: inline-flex; align-items: center; gap: 1rem; font-size: 10px; letter-spacing: 0.2em;
    text-transform: uppercase; font-weight: 600; color: var(--forest); margin-top: 1.5rem;
}
.explore-link span { border-bottom: 1px solid rgba(var(--forest-rgb), 0.3); padding-bottom: 4px; transition: all 0.4s; }
.explore-link:hover span { border-color: var(--ocean); color: var(--ocean); }
.explore-icon { width: 14px; height: 14px; transition: transform 0.4s; }
.explore-link:hover .explore-icon { transform: translateX(8px); color: var(--ocean); }

/* Existing Minimal Form */
.form-minimal {
    display: flex; align-items: center; border-bottom: 1px solid rgba(var(--forest-rgb), 0.2);
    padding-bottom: 0.5rem; max-width: 400px; transition: border-color 0.4s;
}
.form-minimal:focus-within { border-color: var(--ocean); }
.form-minimal input { border: none; background: transparent; outline: none; width: 100%; font-size: 14px; font-weight: 400; color: var(--forest); font-family: 'Open Sans', sans-serif; }
.form-minimal input::placeholder { color: rgba(var(--forest-rgb), 0.4); }
.form-minimal button { background: transparent; border: none; color: var(--timber); cursor: pointer; padding: 0; transition: transform 0.4s; }
.form-minimal button:hover { transform: translateX(5px); color: var(--ocean); }

/* New Custom Form Control */
.form-control-custom {
    display: block;
    width: 100%;
    padding: 1rem 0;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--forest);
    background-color: transparent;
    background-clip: padding-box;
    border: none;
    border-bottom: 1px solid rgba(var(--forest-rgb), 0.2);
    appearance: none;
    border-radius: 0;
    transition: border-color 0.3s ease-in-out;
}
.form-control-custom:focus {
    color: var(--forest);
    background-color: transparent;
    border-color: var(--ocean);
    outline: 0;
    box-shadow: none;
}
.form-control-custom::placeholder { color: rgba(var(--forest-rgb), 0.4); }

textarea.form-control-custom { min-height: 120px; resize: vertical; }

/* Role Selector Pills */
.role-selector .btn-check + .btn {
    border: 1px solid rgba(var(--forest-rgb), 0.2);
    color: var(--forest-muted);
    background-color: transparent;
    transition: all 0.3s ease;
}
.role-selector .btn-check:checked + .btn, .role-selector .btn-check + .btn:hover {
    border-color: var(--ocean);
    background-color: var(--ocean);
    color: var(--cream);
    box-shadow: 0 5px 15px rgba(64, 156, 224, 0.2);
}

/* ====================================================
   Aesthetic Image Frames & Parallax Helpers
   ==================================================== */
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }
.animate-float { animation: float 8s ease-in-out infinite; }

.image-frame { 
    background-color: var(--sand); 
    overflow: hidden; 
    position: relative; 
    border-radius: 1.5rem; /* Added from new style */
}
.parallax-section { position: relative; overflow: hidden; }
.parallax-wrapper { position: absolute; top: -15%; left: 0; right: 0; bottom: -15%; height: 130%; width: 100%; z-index: 0; }
.parallax-img { 
    width: 100%; height: 100%; 
    object-fit: cover; 
    filter: brightness(0.85) grayscale(10%); /* Updated from new style */
    transition: filter 1s ease; /* Added from new style */
    pointer-events: none; 
}
.image-frame:hover .parallax-img { 
    filter: brightness(1) grayscale(0%); /* Added from new style */
}

.gs-reveal { visibility: hidden; }

/* ====================================================
   Social Links
   ==================================================== */
.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 1px solid rgba(var(--forest-rgb), 0.1);
    color: var(--forest);
    transition: all 0.3s ease;
}
.social-link:hover {
    background-color: var(--ocean);
    border-color: var(--ocean);
    color: var(--cream);
    transform: translateY(-3px);
}

/* ====================================================
   4 Pillars Card Style
   ==================================================== */
.pillar-card {
    background-color: var(--cream);
    padding: 3rem 2.5rem;
    border: 1px solid rgba(var(--forest-rgb), 0.05);
    transition: all 0.5s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.pillar-card:hover {
    transform: translateY(-8px);
    border-color: var(--ocean);
    box-shadow: 0 20px 40px rgba(64, 156, 224, 0.08);
}
.pillar-icon-wrapper {
    width: 60px; height: 60px; border-radius: 50%;
    background-color: var(--sand);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 2rem; transition: all 0.5s ease;
}
.pillar-card:hover .pillar-icon-wrapper { background-color: var(--ocean); }
.pillar-icon { color: var(--ocean); transition: all 0.5s ease; width: 24px; height: 24px; }
.pillar-card:hover .pillar-icon { color: var(--cream); }

/* ====================================================
   GSAP PINNED STACKING CARDS (Tumpukan Dinamis)
   ==================================================== */
.gsap-cards-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 75vh;          
    min-height: 550px;
    width: 100%;
    margin-bottom: 90px;
}

.gsap-card {
    position: absolute;
    width: 100%;
    height: 75vh;
    min-height: 550px;
    border-radius: 2rem;
    padding: 2.5rem;
    box-shadow: 0 0 40px 0 rgba(13, 56, 45, 0.05);
    display: flex;
    align-items: center; 
    border: 1px solid rgba(var(--forest-rgb), 0.05);
    overflow: hidden;
    will-change: transform, opacity;
}

@media (min-width: 992px) {
    .gsap-card {
        padding: 4rem; 
    }
}

/* Top Offsets statis untuk inisialisasi tumpukan */
.gsap-card-1 { top: 0px; z-index: 2; background-color: var(--cream); }
.gsap-card-2 { top: 30px; z-index: 3; background-color: var(--sand); }
.gsap-card-3 { top: 60px; z-index: 4; background-color: var(--cream); }
.gsap-card-4 { top: 90px; z-index: 5; background-color: var(--sand); }

/* Giant Watermark within cards */
.card-watermark {
    position: absolute;
    font-family: 'General Sans', sans-serif;
    font-weight: 200;
    font-size: clamp(8rem, 18vw, 18rem);
    color: rgba(var(--forest-rgb), 0.03);
    line-height: 0.8;
    z-index: 0;
    pointer-events: none;
    bottom: -2%;
    left: -2%; 
}

/* Media Frame Formatting */
.card-content-wrapper { 
    position: relative; 
    z-index: 2; 
    width: 100%;
}
.card-media-frame {
    width: 100%;
    aspect-ratio: 16/11; 
    border-radius: 1.25rem;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(var(--forest-rgb), 0.05);
}
.card-media-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.9) grayscale(10%);
}

/* Mobile specific adjustments for Stacking Cards */
@media (max-width: 991.98px) {
    .gsap-cards-wrapper { height: 85vh; min-height: 650px; }
    .gsap-card { height: 85vh; min-height: 650px; padding: 2rem; align-items: flex-start; padding-top: 3rem; }
    .card-media-frame { aspect-ratio: 16/9; margin-bottom: 2rem; }
    .card-text-col h2 { font-size: 2rem !important; margin-bottom: 1rem !important; }
    .card-text-col p { font-size: 1rem !important; margin-bottom: 1rem !important; line-height: 1.6 !important;}
    .card-text-col .border-top { padding-top: 1rem !important; margin-top: 1.5rem !important; }
    .card-watermark { bottom: -2%; left: -2%; font-size: 8rem; }
}

/* ====================================================
   Object Fit Content & Background Helpers
   ==================================================== */
.object-cover { object-fit: cover; }
.bg-gradient-dark {
    background: linear-gradient(to top, rgba(13,56,45, 0.95) 0%, rgba(13,56,45, 0.4) 60%, transparent 100%);
}
/* Container untuk masking gambar panoramic */
        .mask-container {
            position: relative;
            overflow: hidden;
            cursor: crosshair; 
            width: 100%;
            height: 100%;
        }

        /* Gambar lapisan bawah (Background gelap/grayscale) */
        .base-img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: grayscale(100%) brightness(0.3); /* Membuat efek dramatis */
            transition: filter 0.3s ease;
        }

        /* Gambar lapisan atas yang akan di-reveal (Berwarna) */
        .reveal-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            pointer-events: none; /* Mencegah bentrok dengan event mouse */
            
            /* Inisialisasi variabel CSS untuk kalkulasi GSAP */
            --x: 50;
            --y: 50;
            --size: 0; 
            
            /* Clip-path untuk membuat lingkaran reveal */
            clip-path: circle(calc(var(--size) * 1px) at calc(var(--x) * 1px) calc(var(--y) * 1px));
            -webkit-clip-path: circle(calc(var(--size) * 1px) at calc(var(--x) * 1px) calc(var(--y) * 1px));
        }