/* ===== Base & Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollLine {
    0%, 100% { opacity: 0.4; transform: scaleY(0.5); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
}

.animate-fade-in {
    animation: fadeIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-scroll-line {
    animation: scrollLine 1.8s ease-in-out infinite;
}

/* ===== Reveal on Scroll ===== */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    background: rgba(13, 13, 13, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(200, 164, 106, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, #c8a46a, #e8645a);
    transition: width 0.3s ease;
}

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

/* ===== Mobile Menu ===== */
.menu-line {
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

#mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#mobile-menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

#mobile-menu-btn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

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

.mobile-nav-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobile-menu.open .mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-nav-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-nav-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-nav-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-nav-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-nav-link:nth-child(5) { transition-delay: 0.3s; }

/* ===== Smooth Scroll ===== */
html {
    scroll-behavior: smooth;
}

/* ===== Selection ===== */
::selection {
    background: rgba(232, 100, 90, 0.3);
    color: #fff;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #c8a46a, #e8645a);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #d4b87a, #f08078);
}

/* ===== Image hover container ===== */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

/* ===== Focus styles ===== */
input:focus, select:focus, textarea:focus {
    outline: none;
}

/* ===== Responsive adjustments ===== */
@media (max-width: 768px) {
    #hero h1 {
        font-size: 3rem;
    }

    #hero h1 span {
        font-size: inherit;
    }
}