/* ===== Base & Utilities ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(255, 107, 94, 0.3);
    color: #fff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #0d0d0d;
}
::-webkit-scrollbar-thumb {
    background: #2e2e2e;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #FF6B5E;
}

/* ===== Navbar ===== */
#navbar {
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    background: transparent;
}

#navbar.scrolled {
    background: rgba(13, 13, 13, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 168, 83, 0.08);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, #FF6B5E, #D4A853);
    transition: width 0.3s ease;
}

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

/* ===== Mobile Menu ===== */
.mobile-nav-link {
    position: relative;
}

#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

.menu-line {
    display: block;
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}
#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menuBtn.active .menu-line:nth-child(3) {
    width: 1.25rem;
    transform: rotate(-45deg) translate(3px, -3px);
}

/* ===== Scroll Indicator ===== */
.scroll-line {
    width: 1px;
    height: 48px;
    background: rgba(212, 168, 83, 0.2);
    position: relative;
    overflow: hidden;
}

.scroll-dot {
    width: 100%;
    height: 16px;
    background: linear-gradient(180deg, transparent, #D4A853);
    position: absolute;
    top: -16px;
    animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
    0% { top: -16px; }
    100% { top: 48px; }
}

/* ===== Service Cards ===== */
.service-card {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* ===== Gallery ===== */
.gallery-item {
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid transparent;
    border-radius: inherit;
    transition: border-color 0.4s ease;
    pointer-events: none;
}

.gallery-item:hover::after {
    border-color: rgba(255, 107, 94, 0.3);
}

/* ===== Fade In Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }
.fade-in-delay-6 { transition-delay: 0.6s; }

/* ===== Gold shimmer accent line ===== */
.shimmer-line {
    background: linear-gradient(90deg, transparent, rgba(212, 168, 83, 0.4), transparent);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ===== Select styling ===== */
select option {
    background: #1c1c1c;
    color: #d1d5db;
}

/* ===== Form focus states ===== */
input:focus,
textarea:focus,
select:focus {
    border-color: rgba(255, 107, 94, 0.5) !important;
    box-shadow: 0 0 0 3px rgba(255, 107, 94, 0.08);
}

/* ===== Responsive tweaks ===== */
@media (max-width: 768px) {
    .scroll-line {
        display: none;
    }
}