/* ===== Base & Typography ===== */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    color: #374151;
    background-color: #f6f7f9;
    overflow-x: hidden;
}

::selection {
    background-color: #F97583;
    color: #0a0f1a;
}

/* ===== Scroll Reveal ===== */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered delays for grid items */
.scroll-reveal:nth-child(1) { transition-delay: 0ms; }
.scroll-reveal:nth-child(2) { transition-delay: 100ms; }
.scroll-reveal:nth-child(3) { transition-delay: 200ms; }
.scroll-reveal:nth-child(4) { transition-delay: 300ms; }
.scroll-reveal:nth-child(5) { transition-delay: 400ms; }
.scroll-reveal:nth-child(6) { transition-delay: 500ms; }

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background-color 0.5s ease, box-shadow 0.5s ease;
}

#navbar.scrolled {
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

.nav-link-text {
    transition: color 0.3s ease;
}

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

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: #F97583;
    transition: width 0.3s ease;
}

.mobile-link:hover::after {
    width: 60%;
}

/* ===== Hero ===== */
#hero {
    position: relative;
}

#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, #f6f7f9, transparent);
    pointer-events: none;
    z-index: 1;
}

/* ===== Buttons ===== */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* ===== Service Cards ===== */
.group:hover .group-hover\:bg-coral-100 {
    transition: background-color 0.5s ease;
}

/* ===== Smooth anchor scroll offset ===== */
section[id] {
    scroll-margin-top: 80px;
}

/* ===== Custom scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f6f7f9;
}
::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

/* ===== Mobile responsive ===== */
@media (max-width: 767px) {
    #hero::after {
        height: 80px;
    }
}