/* ── Base & Reset ── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(212, 160, 23, 0.3);
    color: #fff;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #120510;
}
::-webkit-scrollbar-thumb {
    background: rgba(212, 160, 23, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(212, 160, 23, 0.5);
}

/* ── Animations ── */
@keyframes scrollLine {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

.animate-scroll-line {
    animation: scrollLine 2s ease-in-out infinite;
}

/* ── Hero Animations ── */
.hero-subtitle {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.hero-title {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

.hero-desc {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}

.hero-ctas {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.8s forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Reveal on Scroll ── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ── Service Cards ── */
.service-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:nth-child(1) { transition-delay: 0s; }
.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.2s; }
.service-card:nth-child(4) { transition-delay: 0.3s; }
.service-card:nth-child(5) { transition-delay: 0.4s; }
.service-card:nth-child(6) { transition-delay: 0.5s; }

/* ── Navbar ── */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(10, 3, 9, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

#mobileMenu.closed {
    opacity: 0;
    pointer-events: none;
}

/* ── Parallax Hero Image ── */
#heroImg {
    transition: transform 0.1s linear;
    will-change: transform;
}

/* ── Form Select Arrow ── */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23D4A017' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ── Hover underline for links ── */
a {
    text-decoration: none;
}

/* ── Focus Visible ── */
*:focus-visible {
    outline: 2px solid #D4A017;
    outline-offset: 2px;
}

/* ── Responsive Tweaks ── */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.1;
    }
}

@media (min-width: 1024px) {
    .service-card:hover {
        border-color: rgba(212, 160, 23, 0.4);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3),
                    0 0 40px rgba(212, 160, 23, 0.05);
    }
}