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

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

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background-color: rgba(16, 185, 129, 0.2);
    color: #064e3b;
}

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

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-slide-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.animate-slide-up-delay {
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

.animate-slide-up-delay2 {
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

/* ========== SCROLL REVEAL ========== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

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

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 30px rgba(0, 0, 0, 0.06);
}

.nav-link {
    position: relative;
}

#navbar:not(.scrolled) .nav-link {
    color: rgba(255, 255, 255, 0.8);
}

#navbar:not(.scrolled) .nav-link:hover {
    color: #6ee7b7;
    background: rgba(255, 255, 255, 0.1);
}

/* ========== 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, #059669, #10b981, #34d399);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* ========== BUTTONS ========== */
a, button {
    cursor: pointer;
}

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

.mobile-link {
    border-radius: 0.75rem;
}

/* ========== MAP ========== */
iframe {
    filter: saturate(0.8) contrast(1.05);
    transition: filter 0.3s ease;
}

iframe:hover {
    filter: saturate(1) contrast(1);
}

/* ========== FORM ========== */
input:focus, textarea:focus {
    outline: none;
}

input::placeholder, textarea::placeholder {
    color: #94a3b8;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 640px) {
    h1 {
        font-size: 2.25rem !important;
    }
    
    h2 {
        font-size: 1.875rem !important;
    }
}