:root{
    --charcoal:#121416;
    --warm-grey:#1c1f23;
    --soft-grey:#9a9a9a;
    --muted-gold:#c6a76b;
}

body{
    background-color: var(--charcoal);
    color:#e8e8e8;
    font-family: 'Inter', sans-serif;
    letter-spacing:0.2px;
}

/* ================= TYPOGRAPHY ================= */

h1,h2,h3,h4{
    font-family:'Playfair Display', serif;
    font-weight:600;
    letter-spacing:0.5px;
}

.display-hero{
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height:1.15;
}

.section-spacing{
    padding:140px 0;
}

/* ================= NAVIGATION ================= */

.premium-nav{
    background: rgba(18,20,22,0.95);
    backdrop-filter: blur(8px);
    padding:20px 0;
    border-bottom:1px solid #22262b;
}

.brand-mark{
    font-family:'Playfair Display', serif;
    font-size:1.3rem;
    letter-spacing:1px;
    color:#ffffff;
}

.nav-link{
    font-size:0.85rem;
    text-transform:uppercase;
    letter-spacing:1px;
    color:#cfcfcf;
    margin-left:30px;
    position:relative;
    padding:5px 0;
}

/* Thin Animated Underline */
.nav-link::after{
    content:"";
    position:absolute;
    bottom:0;
    left:0;
    width:0%;
    height:1px;
    background:var(--muted-gold);
    transition:width 0.3s ease;
}

.nav-link:hover::after{
    width:100%;
}

.navbar-toggler-icon{
    filter:invert(1);
}
.nav-link:focus, .nav-link:hover {
    color: var(--muted-gold);
}

.brand-logo{width: 40%}
/* ================= HERO ================= */

.hero{
    position:relative;
    height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    overflow:hidden;
}

.hero img{
    position:absolute;
    width:100%;
    height:100%;
    object-fit:cover;
    filter:grayscale(100%) contrast(105%);
    z-index:1;
}

/* Dark overlay */
.hero::after{
    content:"";
    position:absolute;
    inset:0;
    background:rgba(10,12,14,0.75);
    z-index:2;
}

/* Hero Content */
.hero-content{
    position:relative;
    z-index:3;
    max-width:900px;
}

.display-hero{
    font-family:'Playfair Display', serif;
    font-size:clamp(2.5rem,5vw,4.5rem);
    line-height:1.15;
}

.hero-sub{
    color:var(--soft-grey);
    margin-top:30px;
    font-size:1.1rem;
}

.btn-minimal{
    border:1px solid var(--muted-gold);
    color:var(--muted-gold);
    padding:12px 30px;
    border-radius:0;
    text-transform:uppercase;
    font-size:0.8rem;
    letter-spacing:1px;
    transition:all 0.3s ease;
}

.btn-minimal:hover{
    background:var(--muted-gold);
    color:#000;
}

/* ================= PROBLEM GRID ================= */
.problem-box{
    padding:60px 20px;
    border-top:1px solid #2a2d31;
    transition:0.3s ease;
}

.problem-box:hover{
    border-color:var(--muted-gold);
    transform:translateY(-4px);
}

.problem-box h5{
    font-family:'Inter', sans-serif;
    font-weight:600;
    font-size:1rem;
    letter-spacing:1px;
    text-transform:uppercase;
}

.problem-box p{
    color:var(--soft-grey);
    font-size:0.9rem;
    margin-top:15px;
}

/* ================= BRIDGE SECTION ================= */

.bridge{
    background-color: var(--warm-grey);
}

.bridge-box{
    padding:70px 40px;
    border:1px solid #2a2d31;
    transition:0.3s ease;
}

.bridge-box:hover{
    border-color:var(--muted-gold);
    transform:translateY(-6px);
}

.bridge-box h5{
    font-size:1.2rem;
    margin-bottom:20px;
}

.bridge-box p{
    color:var(--soft-grey);
}

/* Edge Boxes */
.edge-box{
    padding:30px;
    border:1px solid #2a2a2a;
    transition:0.3s ease;
}
.edge-box:hover{
    border-color:#b89f6b;
}
.edge-icon{
    height:30px;
    width:30px;
    background:#b89f6b;
    margin-bottom:20px;
}

/* Services */
.service-box{
    padding:30px;
    border:1px solid #2a2a2a;
    position:relative;
    overflow:hidden;
    transition:0.4s ease;
}
.service-hover{
    opacity:0;
    margin-top:15px;
    font-size:0.9rem;
    transition:0.4s ease;
}
.service-box:hover .service-hover{
    opacity:1;
}
.service-card{
    border:1px solid #2a2a2a;
    overflow:hidden;
    transition:0.4s ease;
    background:#111;
}

.service-card:hover{
    border-color:#b89f6b;
    transform:translateY(-6px);
}

/* Image */
.service-img{
    width:100%;
    height:220px;
    object-fit:cover;
    filter:grayscale(20%);
    transition:0.5s ease;
}

.service-card:hover .service-img{
    transform:scale(1.05);
    filter:grayscale(0%);
}

/* Content */
.service-content{
    padding:25px;
}

.service-content h6{
    font-family: 'Playfair Display', serif;
    margin-bottom:15px;
    font-size:1rem;
}

.service-hover{
    opacity:0;
    font-size:0.9rem;
    color:#9a9a9a;
    transition:0.4s ease;
}

.service-card:hover .service-hover{
    opacity:1;
}

/* Projects */
.projects-section{
    position:relative;
    padding:120px 0;
    background:url('ttl/images/ttl_projectBG.png') center/cover no-repeat;
    background-attachment:fixed; /* subtle parallax */
}

.projects-section .overlay{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,0.75);
}

.section-heading{
    font-family:'Playfair Display', serif;
    font-size:2.5rem;
    margin-bottom:20px;
}

.project-card{
    background:rgba(255,255,255,0.05);
    border:1px solid rgba(255,255,255,0.1);
    padding:35px;
    backdrop-filter:blur(6px);
    transition:0.4s ease;
    height:100%;
}

.project-card:hover{
    border-color:#b89f6b;
    transform:translateY(-6px);
}

.project-card h6{
    font-family:'Playfair Display', serif;
    font-size:1.2rem;
    margin-bottom:8px;
    color:#ffffff;
}

.project-card span{
    display:block;
    font-size:0.85rem;
    color:#b89f6b;
    margin-bottom:15px;
}

.project-card p{
    font-size:0.9rem;
    color:#cfcfcf;
    margin:0;
}

/* Leadership */
.leader-img{
    width:140px;
    height:140px;
    object-fit:cover;
    border-radius:50%;
    filter:grayscale(100%);
}

/* Section Padding */
.section-padding{
    padding:120px 0;
}

/* ================= FOOTER ================= */

.premium-footer{
    background:#0d0d0d;
    padding:100px 0 60px;
    color:#cfcfcf;
}

.footer-logo{
    height:40px;
    filter:brightness(0) invert(1);
}

.footer-tagline{
    max-width:280px;
    font-size:0.95rem;
    line-height:1.6;
    color:#9a9a9a;
}

.footer-title{
    font-family: 'Playfair Display', serif;
    font-size:1rem;
    margin-bottom:25px;
    color:#b89f6b;
    letter-spacing:1px;
}

.footer-links{
    list-style:none;
    padding:0;
    margin:0;
}

.footer-links li{
    margin-bottom:12px;
}

.footer-links a{
    text-decoration:none;
    color:#9a9a9a;
    position:relative;
    display:inline-block;
    transition:0.3s ease;
}

/* Thin animated underline */
.footer-links a::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-4px;
    width:0%;
    height:1px;
    background:#b89f6b;
    transition:0.3s ease;
}

.footer-links a:hover::after{
    width:100%;
}

.footer-links a:hover{
    color:#ffffff;
}

.footer-contact{
    color:#9a9a9a;
    font-size:0.95rem;
}

.footer-social a{
    margin-right:20px;
    text-decoration:none;
    color:#9a9a9a;
    position:relative;
}

.footer-social a::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-4px;
    width:0%;
    height:1px;
    background:#b89f6b;
    transition:0.3s ease;
}

.footer-social a:hover::after{
    width:100%;
}

.footer-divider{
    height:1px;
    background:#2a2a2a;
}

.small-text{
    color:#6e6e6e;
    font-size:0.85rem;
}

/* ================= MICRO ANIMATION ================= */

.fade-up{
    opacity:0;
    transform:translateY(20px);
    transition:all 0.8s ease;
}

.fade-up.show{
    opacity:1;
    transform:translateY(0);
}