html { scroll-behavior: smooth; }
* { -webkit-font-smoothing: antialiased; }

.card-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card-hover:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.35);
}
.btn-primary {
    transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(234,88,12,0.45);
}
.btn-secondary {
    transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.btn-secondary:hover {
    transform: translateY(-1px);
}

.hero-bg {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1486262715619-67b85e0b08d3?w=1600&q=80&auto=format&fit=crop') center/cover no-repeat;
    opacity: 0.15;
    z-index: 0;
}
.hero-bg > * {
    position: relative;
    z-index: 1;
}

.section-dark {
    background: #0f172a;
}
.section-mid {
    background: #1e293b;
}

.orange-accent {
    color: #ea580c;
}
.bg-orange-accent {
    background-color: #ea580c;
}

.step-line::after {
    content: '';
    position: absolute;
    top: 2rem;
    left: calc(50% + 2rem);
    width: calc(100% - 4rem);
    height: 2px;
    background: #334155;
}

.nav-sticky {
    backdrop-filter: blur(10px);
    background: rgba(15, 23, 42, 0.95);
}

.gallery-img {
    transition: transform 0.3s ease, filter 0.3s ease;
    filter: brightness(0.85);
}
.gallery-img:hover {
    transform: scale(1.03);
    filter: brightness(1);
}

.faq-item summary {
    cursor: pointer;
    list-style: none;
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item[open] .faq-icon {
    transform: rotate(45deg);
}
.faq-icon {
    transition: transform 0.25s ease;
}

.highlight-bar {
    width: 48px;
    height: 4px;
    background: #ea580c;
    border-radius: 2px;
}

@keyframes pulse-phone {
    0%, 100% { box-shadow: 0 0 0 0 rgba(234,88,12,0.5); }
    50% { box-shadow: 0 0 0 12px rgba(234,88,12,0); }
}
.phone-pulse {
    animation: pulse-phone 2s infinite;
}

.service-icon-wrap {
    background: rgba(234,88,12,0.12);
    border: 1px solid rgba(234,88,12,0.25);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #ea580c !important;
    box-shadow: 0 0 0 3px rgba(234,88,12,0.15);
}

.text-steel {
    color: #94a3b8;
}