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

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

body {
    margin: 0;
    overflow-x: hidden;
}

/* ===== Geometric Background Shapes ===== */
.geometric-bg {
    z-index: 0;
}

.geo-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.04;
}

.geo-circle--1 {
    width: 600px;
    height: 600px;
    background: #800020;
    top: -200px;
    right: -150px;
}

.geo-circle--2 {
    width: 400px;
    height: 400px;
    background: #ff4d7a;
    bottom: -100px;
    left: -100px;
}

.geo-triangle {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0.03;
}

.geo-triangle--1 {
    border-left: 120px solid transparent;
    border-right: 120px solid transparent;
    border-bottom: 200px solid #800020;
    top: 30%;
    left: 5%;
    transform: rotate(15deg);
}

.geo-rect {
    position: absolute;
    opacity: 0.03;
    background: #800020;
    border-radius: 12px;
}

.geo-rect--1 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 8%;
    transform: rotate(30deg);
}

/* ===== Navbar ===== */
.nav-header {
    background: rgba(255, 248, 245, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(128, 0, 32, 0.08);
    transition: box-shadow 0.3s ease;
}

.nav-header.scrolled {
    box-shadow: 0 4px 20px rgba(128, 0, 32, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #800020;
    transition: width 0.3s ease;
    border-radius: 1px;
}

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

/* ===== Mobile Menu ===== */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.mobile-menu.open {
    max-height: 400px;
}

.mobile-nav-link {
    position: relative;
}

/* ===== Reveal Animations ===== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
    }

    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
    }

    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
    }

    .reveal-up.visible,
    .reveal-left.visible,
    .reveal-right.visible {
        opacity: 1;
        transform: none;
    }
}

/* ===== Image Hover ===== */
img {
    display: block;
    max-width: 100%;
}

/* ===== Selection ===== */
::selection {
    background: rgba(128, 0, 32, 0.2);
    color: #800020;
}

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

::-webkit-scrollbar-track {
    background: #FFF8F5;
}

::-webkit-scrollbar-thumb {
    background: #b01830;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #800020;
}

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #800020;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Mobile Menu Button Animation ===== */
.mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

.mobile-menu-btn.active .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(4px, -4px);
}