/* ==========================================================================
   Base Styles & Variables
   ========================================================================== */
:root {
    /* Colors */
    --gold: #D4AF37; /* Premium Gold */
    --gold-hover: #b89622;
    --dark: #121212; /* Deep Dark */
    --darker: #0d0d0d;
    --black: #000000;
    --white: #ffffff;
    --gray: #888888;
    
    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Shadows - Polished to be softer and more premium */
    --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 15px 40px rgba(212, 175, 55, 0.3);
    
    /* Spacing */
    --section-padding: 100px 0;
}

body {
    font-family: var(--font-body);
    color: var(--white);
    background-color: var(--dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: var(--font-heading);
    letter-spacing: -0.5px; /* Added for premium hierarchy contrast */
}

/* Utilities */
.gold-color, .text-gold { color: var(--gold) !important; }
.bg-gold { background-color: var(--gold) !important; }
.bg-dark { background-color: var(--dark) !important; }
.bg-darker { background-color: var(--darker) !important; }
.bg-black { background-color: var(--black) !important; }
.section-padding { padding: var(--section-padding); }
.tracking-wide { letter-spacing: 2px; }
.tracking-widest { letter-spacing: 4px; }
.font-sm, .text-sm { font-size: 0.875rem; }
.font-xs, .text-xs { font-size: 0.75rem; }
.z-index-1 { z-index: 1; }
.z-index-2 { z-index: 2; }
.transition-all { transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); } /* Polished for smoother easing globally */
.cursor-pointer { cursor: pointer; }
.max-w-700 { max-width: 700px; }
.opacity-05 { opacity: 0.05; }
.bg-glass-gold { background: rgba(212, 175, 55, 0.9); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }

/* Buttons */
.btn-gold {
    background-color: var(--gold);
    color: var(--black);
    border: 2px solid var(--gold);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); /* Enhanced transition */
}
.btn-gold:hover {
    background-color: transparent;
    color: var(--gold);
    border-color: var(--gold);
    transform: translateY(-3px); /* Button lift effect */
    box-shadow: var(--shadow-gold); /* Added subtle gold shadow */
}
.btn-outline-gold {
    background-color: transparent;
    color: var(--gold);
    border: 2px solid var(--gold);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); /* Enhanced transition */
}
.btn-outline-gold:hover {
    background-color: var(--gold);
    color: var(--black);
    transform: translateY(-3px); /* Button lift effect */
    box-shadow: var(--shadow-gold); /* Added subtle gold shadow */
}

/* Ripple Effect */
.ripple-effect {
    position: relative;
    overflow: hidden;
    transform: translate3d(0, 0, 0);
}
.ripple-effect::after {
    content: "";
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, #fff 10%, transparent 10.01%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10, 10);
    opacity: 0;
    transition: transform .5s, opacity 1s;
}
.ripple-effect:active::after {
    transform: scale(0, 0);
    opacity: .3;
    transition: 0s;
}

/* ==========================================================================
   Preloader
   ========================================================================== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--dark);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}
.pulse {
    animation: pulse-animation 2s infinite;
}
@keyframes pulse-animation {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
    padding: 20px 0;
    background-color: transparent;
    transition: all 0.4s ease;
}
.navbar.navbar-scrolled {
    background-color: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--gold);
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    transition: width 0.3s ease;
}
.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}
.nav-item .btn::after {
    display: none;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background: url('https://images.unsplash.com/photo-1541888086225-ee813da6ca46?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center center / cover no-repeat;
    background-attachment: fixed;
}
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(13,13,13,0.95) 0%, rgba(13,13,13,0.7) 50%, rgba(13,13,13,0.4) 100%);
}
.animated-bounce {
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ==========================================================================
   About Section
   ========================================================================== */
.line-heading {
    display: inline-block;
    width: 40px;
    height: 2px;
}
.feature-list li {
    font-size: 1.1rem;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.15); /* More premium softer shadow */
    border-color: rgba(212, 175, 55, 0.4) !important;
}
.service-card:hover .service-icon {
    background-color: var(--gold) !important;
    color: var(--dark) !important;
    transform: scale(1.1);
}
.hover-glow:hover {
    box-shadow: var(--shadow-gold);
}

/* ==========================================================================
   Portfolio Section
   ========================================================================== */
.portfolio-filters li.filter-active {
    background-color: var(--gold);
    color: var(--black);
}
.portfolio-filters li:hover {
    color: var(--gold);
}
.portfolio-filters li.filter-active:hover {
    color: var(--black);
}
.portfolio-wrap {
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); /* Added transition for translateY */
}
.portfolio-wrap:hover {
    transform: translateY(-8px); /* Card slight lift */
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.15) !important; /* Subtle gold shadow */
}
.portfolio-wrap:hover .portfolio-overlay {
    opacity: 1 !important;
}
.portfolio-wrap:hover .project-img {
    transform: scale(1.1);
}
.translate-y-3 { transform: translateY(30px); }
.portfolio-wrap:hover .translate-y-3 { transform: translateY(0); }
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.portfolio-link:hover {
    background-color: var(--white) !important;
}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.hover-gold:hover {
    background-color: var(--gold) !important;
    color: var(--black) !important;
    border-color: var(--gold) !important;
}
.carousel-inner {
    padding: 20px;
}
.carousel-item {
    transition: transform 0.6s ease-in-out;
}

/* ==========================================================================
   Forms & Contact
   ========================================================================== */
.form-control {
    border-radius: 0.5rem;
}
.form-control:focus {
    background-color: var(--dark) !important;
    color: var(--white) !important;
    border-color: var(--gold);
    box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.25);
}
.form-floating > label {
    color: var(--gray);
}
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--gold);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer-links a:hover {
    color: var(--gold) !important;
    padding-left: 5px;
}
.social-btn {
    width: 40px;
    height: 40px;
}



/* About Section Image Fix - UI Polish */
.about-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    border: 2px solid rgba(212, 175, 55, 0.25);
    transition: box-shadow 0.6s cubic-bezier(0.165, 0.84, 0.44, 1); /* smooth shadow transition */
}

.about-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    /* removed border-radius on img to prevent clipping artifacts during scale within hidden overflow container */
    transition: transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1); /* smoother zoom effect */
}

.about-image-wrapper:hover img {
    transform: scale(1.05); /* hover zoom effect */
}

.about-image-wrapper:hover {
    box-shadow: 0 0 40px rgba(212, 175, 55, 0.35); /* soft gold glow on hover instead of heavy drop shadow */
}


/* ================================
   RESPONSIVE FINAL FIX
================================ */

/* Tablets & small laptops */
@media (max-width: 992px) {

    .hero-section {
        background-attachment: scroll;
        min-height: 90vh;
        padding: 100px 0;
    }

    .section-padding {
        padding: 70px 0;
    }

    h1, .display-2 {
        font-size: 2.8rem !important;
    }

    h2, .display-3, .display-4, .display-5 {
        font-size: 2.2rem !important;
    }

    .navbar-collapse {
        background-color: rgba(13, 13, 13, 0.98);
        padding: 20px;
        border-radius: 12px;
        margin-top: 10px;
        border: 1px solid rgba(255,255,255,0.08); /* Dark mode premium border */
    }
}

/* Tablets */
@media (max-width: 768px) {

    .hero-section {
        min-height: 100vh;
        padding: 80px 0;
    }

    h1, .display-2 {
        font-size: 2.2rem !important;
    }

    h2, .display-3, .display-4, .display-5 {
        font-size: 1.8rem !important;
    }

    p {
        font-size: 0.95rem;
    }

    .about-image-wrapper {
        height: 320px !important;
    }

    /* Disable hover scale effects on touch devices for performance */
    .service-card:hover,
    .portfolio-wrap:hover {
        transform: none !important;
        box-shadow: 0 20px 40px rgba(212, 175, 55, 0.05) !important;
    }
}

/* Mobile */
@media (max-width: 576px) {

    .hero-section {
        padding: 70px 0;
    }

    .section-padding {
        padding: 50px 0;
    }

    h1, .display-2 {
        font-size: 1.8rem !important;
    }

    h2, .display-3, .display-4, .display-5 {
        font-size: 1.4rem !important;
    }

    .about-image-wrapper {
        height: 240px !important;
    }

    .btn-gold,
    .btn-outline-gold {
        width: 100%;
        margin-bottom: 15px;
    }
}