/* ===== BASE & TYPOGRAPHY ===== */
html {
    scroll-behavior: smooth;
}

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

/* ===== MOBILE MENU ===== */
.mobile-link {
    display: block;
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ===== FLOATING STATS ANIMATION ===== */
@media (prefers-reduced-motion: no-preference) {
    .float-slow {
        animation: floatSlow 6s ease-in-out infinite;
    }
    .float-medium {
        animation: floatMedium 4.5s ease-in-out infinite;
    }
    .float-fast {
        animation: floatFast 3.5s ease-in-out infinite;
    }
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes floatMedium {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

@keyframes floatFast {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-5px) rotate(1deg); }
}

/* ===== CARD HOVER EFFECTS ===== */
.feature-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
}

/* ===== BUTTON RIPPLE ===== */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    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 ease;
}

.btn-primary:hover::after {
    opacity: 1;
}

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

::-webkit-scrollbar-track {
    background: #fff8f6;
}

::-webkit-scrollbar-thumb {
    background: #f4a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #c72048;
}

/* ===== INPUT FOCUS RING ===== */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(199, 32, 72, 0.1);
}

/* ===== NAV SCROLL STATE ===== */
nav.scrolled {
    box-shadow: 0 4px 20px rgba(59, 7, 19, 0.08);
}