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

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

/* Smooth scroll offset for fixed nav */
html {
    scroll-padding-top: 80px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #ecfdf5;
}
::-webkit-scrollbar-thumb {
    background: #059669;
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
    background: #047857;
}

/* ========== NAVBAR ========== */
#navbar {
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(5, 150, 105, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #059669;
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 999px;
}

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

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

#mobile-menu.hidden {
    animation: slideUp 0.3s ease forwards;
}

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

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

/* ========== SCROLL REVEAL ========== */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== DECORATIVE SHAPES ========== */
.deco-shape {
    position: absolute;
    pointer-events: none;
}

.deco-circle-1 {
    top: 15vh;
    left: -5vw;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
}

.deco-circle-2 {
    bottom: 10vh;
    right: -3vw;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(254, 252, 232, 0.15) 0%, transparent 70%);
}

.deco-square-1 {
    top: 40vh;
    right: 5vw;
    width: 80px;
    height: 80px;
    border-radius: 16px;
    background: rgba(110, 231, 183, 0.1);
    transform: rotate(45deg);
}

.deco-triangle {
    bottom: 25vh;
    left: 8vw;
    width: 0;
    height: 0;
    border-left: 35px solid transparent;
    border-right: 35px solid transparent;
    border-bottom: 60px solid rgba(16, 185, 129, 0.1);
}

/* ========== FLOATING ANIMATION ========== */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(45deg); }
    50% { transform: translateY(-15px) rotate(45deg); }
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.deco-square-1 {
    animation: float 6s ease-in-out infinite;
}

.deco-circle-2 {
    animation: floatSlow 8s ease-in-out infinite;
}

.deco-triangle {
    animation: float 7s ease-in-out infinite;
    animation-delay: 1s;
}

/* ========== SERVICE CARD HOVER ========== */
.group:hover .group-hover\:bg-emerald-600 {
    background: #059669;
}

/* ========== BUTTON RIPPLE ========== */
a {
    text-decoration: none;
}

/* ========== SELECTION ========== */
::selection {
    background: #059669;
    color: #fefdf8;
}

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

/* ========== FOCUS VISIBLE ========== */
:focus-visible {
    outline: 3px solid #059669;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ========== IMAGE OPTIMIZATION ========== */
img {
    max-width: 100%;
    height: auto;
}