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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

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

img, svg {
    display: block;
    max-width: 100%;
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #faf5f7;
}
::-webkit-scrollbar-thumb {
    background: #d4a7b8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c07d97;
}

/* ========== NAVBAR SCROLL STATE ========== */
#navbar.scrolled {
    background: rgba(250, 245, 247, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(111, 55, 77, 0.08);
}

#navbar.scrolled .font-heading {
    color: #2a141e;
}

/* ========== SERVICE CARDS ========== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* ========== SELECTION ========== */
::selection {
    background: #fde68a;
    color: #4b2736;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.stagger-children .animate-on-scroll:nth-child(1) { transition-delay: 0.05s; }
.stagger-children .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .animate-on-scroll:nth-child(3) { transition-delay: 0.15s; }
.stagger-children .animate-on-scroll:nth-child(4) { transition-delay: 0.2s; }
.stagger-children .animate-on-scroll:nth-child(5) { transition-delay: 0.25s; }
.stagger-children .animate-on-scroll:nth-child(6) { transition-delay: 0.3s; }

/* ========== MOBILE MENU ========== */
#mobile-menu {
    animation: fadeIn 0.3s ease;
}

/* ========== FORM FOCUS STATES ========== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.2);
}

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}

/* ========== RESPONSIVE TWEAKS ========== */
@media (max-width: 640px) {
    .service-card {
        padding: 1.5rem;
    }
}

@media (min-width: 641px) and (max-width: 1023px) {
    #top {
        padding-top: 6rem;
    }
}