*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Fade-in animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Stagger children */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.3s; }

.reveal-stagger.revealed > * {
    opacity: 1;
    transform: translateY(0);
}

/* Navbar scrolled state */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06) !important;
}

.navbar-scrolled .font-display {
    color: #0f172a !important;
}

.navbar-scrolled a.text-slate-500 {
    color: #475569 !important;
}

/* 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, #14b8a6, #2dd4bf);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Mobile menu */
#mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero text animation */
.hero-title {
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.hero-subtitle {
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.hero-cta {
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

.hero-stats {
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.8s;
    opacity: 0;
}

/* Pulse dot */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }
}

/* Selection color */
::selection {
    background: #99f6e4;
    color: #134e4a;
}