/* ===== 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;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f1a2e;
}
::-webkit-scrollbar-thumb {
    background: #e05528;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c9401a;
}

/* ===== SELECTION ===== */
::selection {
    background: #e05528;
    color: #ffffff;
}

/* ===== NAVBAR SCROLLED STATE ===== */
.navbar-scrolled {
    background: rgba(15, 26, 46, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

/* ===== HERO IMAGE ANIMATION ===== */
#hero img {
    transition: transform 8s ease;
}
#hero:hover img {
    transform: scale(1.03);
}

/* ===== SERVICE CARDS ===== */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

/* ===== TESTIMONIAL CARDS ===== */
.testimonial-card {
    transition: background 0.3s ease, border-color 0.3s ease;
}
.testimonial-card:hover {
    background: rgba(255,255,255,0.08) !important;
    border-color: rgba(224, 85, 40, 0.3) !important;
}

/* ===== BUTTON HOVER EFFECTS ===== */
.btn-primary {
    position: relative;
    overflow: hidden;
}
.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 INPUTS ===== */
input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(224, 85, 40, 0.15);
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.revealed {
        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; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== COUNTER ANIMATION ===== */
.counter {
    display: inline-block;
}

/* ===== FOCUS VISIBLE ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #e05528;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .font-serif {
        font-size: clamp(2rem, 8vw, 3rem);
    }
}