/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { min-height: 100vh; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #040806; }
::-webkit-scrollbar-thumb { background: #1a3a2e; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #2d5a45; }

/* ── Selection ── */
::selection { background: rgba(212, 175, 55, 0.3); color: #fdfbf7; }

/* ── Header ── */
#header {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
#header.scrolled {
    background: rgba(4, 8, 6, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(212, 175, 55, 0.1);
}

/* ── Mobile Menu ── */
#mobile-menu.open { opacity: 1 !important; pointer-events: all !important; }
.menu-line:last-child { transform-origin: right center; }
#menu-toggle.active .menu-line:nth-child(1) { transform: translateY(4px) rotate(45deg); }
#menu-toggle.active .menu-line:nth-child(2) { opacity: 0; }
#menu-toggle.active .menu-line:nth-child(3) { transform: translateY(-4px) rotate(-45deg); width: 24px; }

/* ── Hero ── */
#hero { position: relative; }
#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, #040806, transparent);
    pointer-events: none;
}

/* ── Service Cards ── */
.service-card {
    background: rgba(13, 26, 22, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* ── Fade-in animations ── */
.fade-in {
    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);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
.fade-in.delay-1 { transition-delay: 0.1s; }
.fade-in.delay-2 { transition-delay: 0.2s; }
.fade-in.delay-3 { transition-delay: 0.3s; }
.fade-in.delay-4 { transition-delay: 0.4s; }
.fade-in.delay-5 { transition-delay: 0.5s; }

/* ── Gold accent line on section titles ── */
section > .max-w-7xl > div:first-child > span {
    position: relative;
}

/* ── 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='%23d4af37' 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 12px center;
    padding-right: 40px;
}

/* ── Responsive tweaks ── */
@media (max-width: 767px) {
    #hero::after { height: 100px; }
    .font-display { line-height: 1.1; }
}