/* ===== Base & Typography ===== */
*, *::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;
}

::selection {
    background: rgba(212, 160, 23, 0.3);
    color: #f7f0fa;
}

/* ===== Scroll Reveal Animations ===== */
/* Default: always visible (progressive enhancement) */
.reveal-down,
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: none;
}

/* When JS adds .revealed, animate into place */
.reveal-down.revealed {
    animation: revealDown 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.reveal-up.revealed {
    animation: revealUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.reveal-left.revealed {
    animation: revealLeft 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.reveal-right.revealed {
    animation: revealRight 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes revealDown {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes revealUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes revealLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes revealRight {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Stagger children when parent has .stagger */
.stagger > *:nth-child(1) { transition-delay: 0.05s; }
.stagger > *:nth-child(2) { transition-delay: 0.15s; }
.stagger > *:nth-child(3) { transition-delay: 0.25s; }
.stagger > *:nth-child(4) { transition-delay: 0.35s; }

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal-down,
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
        animation: none !important;
        transition: none !important;
    }
}

/* ===== Navbar Scroll State ===== */
#navbar.scrolled {
    background: rgba(36, 12, 46, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(123, 45, 139, 0.2);
}

#navbar.scrolled .nav-link {
    color: rgba(217, 184, 235, 0.8);
}

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

/* ===== Image Hover Zoom ===== */
.group img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== Smooth Focus Styles ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #D4A017;
    outline-offset: 4px;
    border-radius: 4px;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #240c2e;
}

::-webkit-scrollbar-thumb {
    background: #7B2D8B;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #D4A017;
}

/* ===== Utility: thin line accents ===== */
.line-accent {
    position: relative;
}

.line-accent::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, #D4A017, transparent);
}

/* ===== Subtle gradient overlays for images ===== */
.img-overlay-dark {
    position: relative;
}

.img-overlay-dark::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(36, 12, 46, 0.5) 0%, transparent 50%);
    pointer-events: none;
    border-radius: inherit;
}

/* ===== Button ripple effect (subtle) ===== */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255,255,255,0.15) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.btn-ripple:hover::before {
    opacity: 1;
}