/* ===== 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 {
    min-height: 100vh;
}

::selection {
    background: rgba(45, 212, 191, 0.3);
    color: #F0FDF9;
}

/* ===== GEOMETRIC BACKGROUND SHAPES ===== */
.geo-shape {
    position: absolute;
    pointer-events: none;
    opacity: 0.5;
}

.geo-circle-1 {
    top: 15%;
    right: -5%;
    width: 500px;
    height: 500px;
    border: 2px solid rgba(45, 212, 191, 0.08);
    border-radius: 50%;
    animation: float-slow 20s ease-in-out infinite;
}

.geo-circle-2 {
    bottom: 10%;
    left: -8%;
    width: 400px;
    height: 400px;
    border: 2px solid rgba(45, 212, 191, 0.06);
    border-radius: 50%;
    animation: float-slow 25s ease-in-out infinite reverse;
}

.geo-triangle {
    top: 40%;
    left: 5%;
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(45, 212, 191, 0.04);
    animation: float-medium 15s ease-in-out infinite;
}

.geo-square {
    top: 60%;
    right: 8%;
    width: 80px;
    height: 80px;
    border: 2px solid rgba(45, 212, 191, 0.08);
    transform: rotate(45deg);
    animation: float-medium 18s ease-in-out infinite reverse;
}

.geo-dots {
    bottom: 25%;
    right: 15%;
    width: 120px;
    height: 120px;
    background-image: radial-gradient(circle, rgba(45, 212, 191, 0.15) 1px, transparent 1px);
    background-size: 16px 16px;
    animation: float-slow 22s ease-in-out infinite;
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

@keyframes float-medium {
    0%, 100% { transform: translateY(0px) rotate(45deg); }
    50% { transform: translateY(-20px) rotate(50deg); }
}

/* ===== NAVBAR ===== */
.nav-scroll {
    transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

.nav-scroll.scrolled {
    background-color: rgba(5, 8, 20, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Mobile menu */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
    max-height: 500px;
}

.menu-line {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

#menuBtn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu-link {
    display: block;
    transition: color 0.3s ease;
}

/* ===== SERVICE CARDS ===== */
.service-card {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ===== GALLERY ===== */
.gallery-item {
    cursor: pointer;
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #050814;
}

::-webkit-scrollbar-thumb {
    background: rgba(45, 212, 191, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(45, 212, 191, 0.5);
}

/* ===== FORM STYLES ===== */
select option {
    background: #0A1628;
    color: #fff;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .geo-circle-1,
    .geo-circle-2,
    .geo-triangle,
    .geo-square,
    .geo-dots {
        display: none;
    }
}