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

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

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: rgba(255, 99, 71, 0.3);
    color: #fff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f1117;
}
::-webkit-scrollbar-thumb {
    background: #333748;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #ff6347;
}

/* ===== Navbar ===== */
#navbar {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#navbar.scrolled {
    background: rgba(15, 17, 23, 0.92);
    border-bottom: 1px solid rgba(255, 99, 71, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, #0f1117, transparent);
    pointer-events: none;
}

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #ff6347, transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover::before {
    opacity: 1;
}

/* ===== Scroll Reveal (below fold only) ===== */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

/* ===== Mobile Menu ===== */
#mobileMenu {
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Contact Form ===== */
#contactForm input,
#contactForm textarea {
    width: 100%;
    background: #1a1d27;
    border: 1px solid #333748;
    border-radius: 0.75rem;
    padding: 0.875rem 1rem;
    color: #fff;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.9375rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

#contactForm input:focus,
#contactForm textarea:focus {
    border-color: #ff6347;
    box-shadow: 0 0 0 3px rgba(255, 99, 71, 0.15);
}

#contactForm input::placeholder,
#contactForm textarea::placeholder {
    color: #6b7280;
}

#contactForm textarea {
    resize: vertical;
    min-height: 120px;
}

#contactForm .form-success {
    display: none;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    font-size: 0.9375rem;
    margin-top: 1rem;
}

#contactForm .form-success.show {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}