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

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

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

::selection {
    background: #FF6B4A;
    color: #1A1A1A;
}

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

#navbar.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    padding: 0;
}

#navbar.scrolled .font-display {
    text-shadow: none;
}

/* ========== MOBILE MENU ========== */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    transition: transform 0.2s ease;
}

.mobile-link:hover {
    transform: translateX(4px);
}

/* ========== HERO ========== */
#hero {
    position: relative;
}

#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to bottom, transparent, #FAFAF8);
    pointer-events: none;
    z-index: 1;
}

/* ========== SERVICE CARDS ========== */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* ========== SCROLL ANIMATIONS ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s 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; }

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

/* ========== BUTTONS ========== */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

/* ========== FORM ========== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

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

::-webkit-scrollbar-track {
    background: #FAFAF8;
}

::-webkit-scrollbar-thumb {
    background: #FF6B4A;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #FF8566;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }

    #hero h1 {
        font-size: 2.5rem;
    }

    #hero::after {
        height: 60px;
    }
}

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}