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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(184, 92, 60, 0.3);
    color: #F7F0E8;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #0D0D0D;
}
::-webkit-scrollbar-thumb {
    background: rgba(184, 92, 60, 0.4);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(184, 92, 60, 0.6);
}

/* ===== Navbar ===== */
#navbar {
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
}

#navbar.scrolled {
    background: rgba(13, 13, 13, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* ===== Mobile Menu ===== */
.mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 0;
    transform: translateY(16px);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ===== Menu Lines Animation ===== */
.menu-line {
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menuBtn.active .menu-line:first-child {
    transform: translateY(4px) rotate(45deg);
}
#menuBtn.active .menu-line:last-child {
    transform: translateY(-4px) rotate(-45deg);
}

/* ===== Service Cards ===== */
.service-card {
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(184, 92, 60, 0.15);
}

/* ===== Approach Cards ===== */
.approach-card {
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.approach-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}

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

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

/* Stagger delays for grid items */
.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; }

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

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #D4956F;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Button Hover Lift ===== */
button, a {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== Image Loading ===== */
img {
    background-color: #1A1A1A;
}

/* ===== Form Input Autofill ===== */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #1A1A1A inset !important;
    -webkit-text-fill-color: #E8D5C0 !important;
}