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

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

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* Geometric Shapes */
.geo-shape {
    position: absolute;
    opacity: 0.15;
    pointer-events: none;
}

.geo-circle-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #14b8a6 0%, transparent 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
    animation: float1 8s ease-in-out infinite;
}

.geo-circle-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #f59e0b 0%, transparent 70%);
    bottom: 10%;
    left: 5%;
    border-radius: 50%;
    animation: float2 10s ease-in-out infinite;
}

.geo-circle-3 {
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
    top: 40%;
    right: 15%;
    border-radius: 50%;
    animation: float3 6s ease-in-out infinite;
}

.geo-rect-1 {
    width: 120px;
    height: 120px;
    border: 3px solid rgba(20, 184, 166, 0.3);
    top: 20%;
    left: 8%;
    transform: rotate(45deg);
    animation: spin 20s linear infinite;
}

.geo-triangle {
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(245, 158, 11, 0.15);
    bottom: 20%;
    right: 8%;
    animation: float1 7s ease-in-out infinite reverse;
}

.geo-circle-4 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    border-radius: 50%;
    animation: float2 12s ease-in-out infinite;
}

.geo-circle-5 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.15) 0%, transparent 70%);
    bottom: -150px;
    right: -100px;
    border-radius: 50%;
    animation: float3 9s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(20px) scale(1.05); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes spin {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

/* Navbar */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

#navbar.scrolled a:not([class*="bg-"]) {
    color: rgba(255,255,255,0.8) !important;
}

/* Mobile Menu */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

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

/* Form Select Arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f172a;
}
::-webkit-scrollbar-thumb {
    background: #14b8a6;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0d9488;
}

/* Selection */
::selection {
    background: rgba(20, 184, 166, 0.3);
    color: #0f172a;
}

/* Responsive tweaks */
@media (max-width: 768px) {
    .geo-shape {
        opacity: 0.08;
    }
}