/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

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

@keyframes scrollLine {
    0%, 100% {
        opacity: 0.6;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.2;
        transform: scaleY(0.6);
        transform-origin: top;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-scroll-line {
    animation: scrollLine 2s ease-in-out infinite;
}

/* ===== Scroll Reveal ===== */
.reveal {
    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.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== Navigation ===== */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #C75B39;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #C75B39 !important;
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(10, 10, 10, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(199, 91, 57, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-scrolled .nav-link {
    color: rgba(227, 227, 227, 0.8) !important;
}

/* ===== Mobile Menu ===== */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

#menu-icon-1.open {
    transform: rotate(45deg) translate(5px, 5px);
}

#menu-icon-2.open {
    opacity: 0;
}

#menu-icon-3.open {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #C75B39;
    transition: width 0.3s ease;
}

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

/* ===== Menu Tabs ===== */
.menu-tab {
    background: transparent;
    color: #717171;
    border: none;
    cursor: pointer;
    font-family: 'Inter', system-ui, sans-serif;
}

.menu-tab.active {
    background: #C75B39;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(199, 91, 57, 0.3);
}

.menu-tab:not(.active):hover {
    color: #ff8a68;
    background: rgba(199, 91, 57, 0.1);
}

/* ===== Form Styles ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #C75B39 !important;
    box-shadow: 0 0 0 3px rgba(199, 91, 57, 0.15);
}

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

::-webkit-scrollbar-track {
    background: #141414;
}

::-webkit-scrollbar-thumb {
    background: #3d3d3d;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #C75B39;
}

/* ===== Selection ===== */
::selection {
    background: rgba(199, 91, 57, 0.3);
    color: #ffffff;
}

/* ===== Utility ===== */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* ===== Responsive Tweaks ===== */
@media (max-width: 768px) {
    .font-display {
        line-height: 1.1;
    }
}