/* ===== BASE & RESET ===== */
*, *::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;
    overflow-x: hidden;
}

::selection {
    background: rgba(232, 99, 91, 0.3);
    color: #f6f6f6;
}

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

.geo-circle-1 {
    top: 15%;
    right: -5%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    border: 1px solid rgba(232, 99, 91, 0.08);
}

.geo-circle-2 {
    bottom: 10%;
    right: 10%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(232, 99, 91, 0.06);
}

.geo-square-1 {
    top: 25%;
    left: 55%;
    width: 80px;
    height: 80px;
    border: 2px solid rgba(232, 99, 91, 0.15);
    transform: rotate(45deg);
}

.geo-triangle-1 {
    top: 60%;
    left: 5%;
    width: 0;
    height: 0;
    border-left: 40px solid transparent;
    border-right: 40px solid transparent;
    border-bottom: 70px solid rgba(232, 99, 91, 0.08);
}

.geo-dots {
    top: 40%;
    right: 30%;
    width: 120px;
    height: 120px;
    background-image: radial-gradient(circle, rgba(232, 99, 91, 0.2) 2px, transparent 2px);
    background-size: 20px 20px;
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Default visible state for reduced-motion or no-JS */
.js-enabled .reveal {
    opacity: 1;
    transform: none;
}

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

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

#navbar.scrolled {
    background: rgba(13, 13, 13, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Mobile menu */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

#mobileMenu:not(.open) {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

/* ===== SERVICE CARDS ===== */
.service-card {
    perspective: 1000px;
}

/* ===== IMAGE HOVER EFFECTS ===== */
.group img {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

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

::-webkit-scrollbar-track {
    background: #0d0d0d;
}

::-webkit-scrollbar-thumb {
    background: #3e3e3e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #E8635B;
}

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

@keyframes pulse-slow {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

.geo-square-1 {
    animation: float 6s ease-in-out infinite;
}

.geo-circle-2 {
    animation: pulse-slow 4s ease-in-out infinite;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
    .geo-circle-1 {
        width: 300px;
        height: 300px;
    }
    
    .geo-square-1 {
        display: none;
    }
    
    .geo-triangle-1 {
        display: none;
    }
}