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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

/* ===== GEOMETRIC BACKGROUND SHAPES ===== */
.geo-shape {
    position: fixed;
    pointer-events: none;
    z-index: 0;
}

.geo-circle-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    top: 20%;
    right: -100px;
}

.geo-circle-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(10, 19, 36, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    bottom: 30%;
    left: -80px;
}

.geo-triangle {
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(245, 158, 11, 0.03);
    top: 50%;
    left: 5%;
    transform: rotate(15deg);
}

.geo-square {
    width: 80px;
    height: 80px;
    border: 2px solid rgba(245, 158, 11, 0.06);
    top: 70%;
    right: 8%;
    transform: rotate(45deg);
}

.geo-dots {
    width: 120px;
    height: 120px;
    background-image: radial-gradient(circle, rgba(10, 19, 36, 0.08) 1px, transparent 1px);
    background-size: 12px 12px;
    top: 40%;
    left: 2%;
}

/* ===== NAVIGATION ===== */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(10, 19, 36, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #f59e0b;
    transition: width 0.3s ease;
}

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

/* Mobile menu */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.mobile-menu.open {
    max-height: 400px;
}

.mobile-link {
    position: relative;
}

/* Menu button animation */
.menu-line {
    transition: all 0.3s ease;
}

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

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

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

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
    opacity: 0.6;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ===== SERVICE CARDS ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* ===== SCROLL REVEAL ANIMATIONS ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.hidden-reveal {
    opacity: 0;
    transform: translateY(30px);
}

.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; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .reveal.hidden-reveal {
        opacity: 1;
        transform: none;
    }
}

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