/* ===== BASE & RESET ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #fdf6ea;
}
::-webkit-scrollbar-thumb {
    background: #e88d76;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #C45B3A;
}

/* ===== ANIMATED BLOB SHAPES ===== */
@keyframes blob {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -30px) scale(1.05); }
    50% { transform: translate(-10px, 20px) scale(0.95); }
    75% { transform: translate(15px, 10px) scale(1.02); }
}

.animate-blob {
    animation: blob 8s ease-in-out infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

/* ===== SCROLL INDICATOR ===== */
@keyframes scroll-indicator {
    0% { top: -16px; opacity: 1; }
    100% { top: 16px; opacity: 0; }
}

.animate-scroll-indicator {
    animation: scroll-indicator 1.5s ease-in-out infinite;
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 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; }
}

/* ===== MOBILE MENU TRANSITIONS ===== */
#mobile-menu {
    transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
    opacity: 1;
}

#mobile-menu.collapsed {
    max-height: 0 !important;
    opacity: 0;
    overflow: hidden;
}

#mobile-menu.expanded {
    max-height: 500px;
    opacity: 1;
}

/* ===== MENU LINE ANIMATION ===== */
.menu-line {
    display: block;
}

.menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

.menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 5px;
}

/* ===== NAV SCROLLED STATE ===== */
#site-header.scrolled {
    background: rgba(254, 252, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

/* ===== FOCUS STYLES ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #C45B3A;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== SELECTION ===== */
::selection {
    background: #f2b5a6;
    color: #562718;
}