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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(217, 119, 6, 0.2);
    color: #1a0d21;
}

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

/* ─── Navigation ─── */
nav {
    transition: background-color 0.5s ease, box-shadow 0.5s ease;
}

nav.scrolled {
    background: rgba(245, 240, 247, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(91, 44, 111, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: #D97706;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

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

.menu-line {
    display: block;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

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

#menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.25rem;
}

/* ─── Floating Card Animations ─── */
.floating-card {
    animation: float 6s ease-in-out infinite;
}

.card-top {
    animation-delay: 0s;
}

.card-mid {
    animation-delay: -2s;
}

.card-bot {
    animation-delay: -4s;
}

.card-img {
    animation-delay: -1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* ─── Scroll Indicator ─── */
.animate-scroll-dot {
    animation: scroll-dot 2s ease-in-out infinite;
}

@keyframes scroll-dot {
    0% { top: -16px; opacity: 0; }
    50% { opacity: 1; }
    100% { top: 48px; opacity: 0; }
}

/* ─── Scroll Reveal ─── */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

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

/* ─── Staggered delays ─── */
.scroll-reveal:nth-child(2) { transition-delay: 0.1s; }
.scroll-reveal:nth-child(3) { transition-delay: 0.2s; }
.scroll-reveal:nth-child(4) { transition-delay: 0.3s; }
.scroll-reveal:nth-child(5) { transition-delay: 0.4s; }

/* ─── Thin line utilities ─── */
.divider-line {
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(91, 44, 111, 0.15), transparent);
}

/* ─── Focus styles ─── */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #D97706;
    outline-offset: 4px;
    border-radius: 4px;
}

/* ─── Mobile responsive ─── */
@media (max-width: 768px) {
    .floating-card {
        display: none;
    }

    #hero {
        min-height: 100vh;
        padding-top: 80px;
    }
}

/* ─── Subtle hover transitions for cards ─── */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* ─── Print styles ─── */
@media print {
    nav, .floating-card, .animate-scroll-dot { display: none; }
    body { background: white; color: black; }
}