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

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

body {
    overflow-x: hidden;
}

/* Scroll Reveal Animations */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    
    .reveal-left {
        opacity: 0;
        transform: translateX(-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-right {
        opacity: 0;
        transform: translateX(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-up.visible,
    .reveal-left.visible,
    .reveal-right.visible {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* Hero Animations */
@media (prefers-reduced-motion: no-preference) {
    .hero-subtitle {
        animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
        opacity: 0;
    }
    
    .hero-title {
        animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
        opacity: 0;
    }
    
    .hero-desc {
        animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
        opacity: 0;
    }
    
    .hero-cta {
        animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.9s forwards;
        opacity: 0;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

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

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

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

/* Hamburger Animation */
.menu-line {
    display: block;
    height: 1px;
    background: currentColor;
    transition: all 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

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

#menu-btn.active .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(3px, -3px);
}

/* Navbar Background Transition */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.nav-scrolled .nav-link,
.nav-scrolled a {
    color: #1e293b !important;
}

.nav-scrolled .border {
    border-color: #1e293b !important;
}

.nav-scrolled .group-hover\:bg-teal-700:hover {
    background: #115e59 !important;
}

.nav-scrolled .group-hover\:border-teal-700:hover {
    border-color: #115e59 !important;
}

.nav-scrolled .group-hover\:text-white:hover {
    color: white !important;
}

/* Smooth section transitions */
section {
    position: relative;
}

/* Selection color */
::selection {
    background: #115e59;
    color: white;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #115e59;
    outline-offset: 2px;
}

/* Map grayscale transition */
iframe.grayscale {
    filter: grayscale(1);
    transition: filter 0.7s ease;
}

iframe.grayscale:hover {
    filter: grayscale(0);
}