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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

/* ===================================
   Scroll Offset for Fixed Header
   ================================== */
section[id],
div[id] {
    scroll-margin-top: calc(var(--nav-height, 70px) + 0px);
}

body {
    font-family: var(--font-body);
    background-color: var(--color-sand-light);
    color: var(--color-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ===================================
   Typography Base
   ================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    opacity: 1;
    transition: opacity 0.5s ease;
}

/* ===================================
   Utilities
   ================================== */
.container {
    max-width: 1400px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 0;
    padding-right: 0;
    box-sizing: border-box;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===================================
   Global UI: Scrollbar & Selection
   ================================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-cream);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-dark);
}

::selection {
    background: var(--color-primary);
    color: var(--color-light);
}

/* ===================================
   Animations & Effects (from common.css)
   ================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Scroll-triggered animations */
[data-scroll-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-scroll-animate].animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animations for grid items */
.menu-item,
.concept-card,
.stat {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.menu-item.visible,
.concept-card.visible,
.stat.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scale-in animation */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Helper Class */
.fade-in-anim {
    animation: fadeIn 0.8s ease both;
}

img[data-src] {
    opacity: 0;
}