/* ===== Custom Properties ===== */
:root {
    --midnight-900: #0a0e27;
    --midnight-800: #0d1433;
    --midnight-700: #111a42;
    --mint-400: #34d4a8;
    --mint-500: #2bc498;
    --mint-600: #25b088;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--midnight-900);
    color: white;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* ===== Geometric Background Shapes ===== */
.geo-shape {
    position: fixed;
    pointer-events: none;
    z-index: 0;
}

.geo-circle-1 {
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(43, 196, 152, 0.04) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: floatSlow 20s ease-in-out infinite;
}

.geo-square-1 {
    width: 300px;
    height: 300px;
    background: rgba(43, 196, 152, 0.03);
    bottom: 20%;
    left: -80px;
    transform: rotate(45deg);
    animation: floatSlow 25s ease-in-out infinite reverse;
}

.geo-triangle-1 {
    width: 0;
    height: 0;
    border-left: 120px solid transparent;
    border-right: 120px solid transparent;
    border-bottom: 208px solid rgba(43, 196, 152, 0.03);
    top: 40%;
    right: 5%;
    animation: floatSlow 18s ease-in-out infinite;
}

.geo-circle-2 {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(43, 196, 152, 0.03) 0%, transparent 70%);
    bottom: -100px;
    left: 30%;
    animation: floatSlow 22s ease-in-out infinite reverse;
}

.geo-dots {
    width: 200px;
    height: 200px;
    background-image: radial-gradient(circle, rgba(52, 212, 168, 0.15) 1px, transparent 1px);
    background-size: 20px 20px;
    top: 60%;
    right: 10%;
    animation: floatSlow 15s ease-in-out infinite;
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(3deg); }
}

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

#navbar.scrolled {
    background: rgba(10, 14, 39, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--mint-400);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--mint-400) !important;
}

/* Mobile menu */
#mobile-menu {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

#mobile-menu.open {
    transform: translateX(0);
}

#mobile-menu.closed {
    transform: translateX(100%);
}

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--mint-400);
    transition: width 0.3s ease;
}

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

/* Menu button animation */
#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

#menu-btn.active .menu-line:nth-child(3) {
    width: 20px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(52, 212, 168, 0.3) !important;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(43, 196, 152, 0.05);
}

/* ===== Scroll Animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    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; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ===== Service Card Stagger Animation ===== */
.service-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--midnight-900);
}

::-webkit-scrollbar-thumb {
    background: rgba(52, 212, 168, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(52, 212, 168, 0.5);
}

/* ===== Selection ===== */
::selection {
    background: rgba(52, 212, 168, 0.3);
    color: white;
}

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

button:focus-visible, a:focus-visible {
    outline: 2px solid var(--mint-400);
    outline-offset: 2px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .geo-circle-1 {
        width: 300px;
        height: 300px;
    }
    
    .geo-square-1 {
        width: 150px;
        height: 150px;
    }
    
    .geo-triangle-1 {
        border-left-width: 60px;
        border-right-width: 60px;
        border-bottom-width: 104px;
    }
    
    .geo-circle-2 {
        width: 200px;
        height: 200px;
    }
    
    .geo-dots {
        width: 100px;
        height: 100px;
        background-size: 14px 14px;
    }
}