/* ========== BASE ========== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* ========== NAVBAR ========== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(253, 248, 240, 0.92);
    backdrop-filter: blur(16px);
    box-shadow: 0 1px 20px rgba(212, 85, 43, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #d4552b;
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-link:hover::after {
    width: 100%;
}

/* ========== HERO ========== */
.hero-fade {
    opacity: 0;
    transform: translateY(24px);
    animation: heroFadeIn 0.8s ease forwards;
}

.hero-fade:nth-child(2) { animation-delay: 0.15s; }
.hero-fade:nth-child(3) { animation-delay: 0.3s; }
.hero-fade:nth-child(4) { animation-delay: 0.45s; }
.hero-fade:nth-child(5) { animation-delay: 0.6s; }

@keyframes heroFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== SCROLL REVEAL ========== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger children */
.service-card {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease, background 0.3s ease, box-shadow 0.3s ease;
}

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

/* ========== MOBILE MENU ========== */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-link {
    position: relative;
    display: block;
    padding: 8px 0;
}

/* ========== SERVICE CARDS STAGGER ========== */
.service-card:nth-child(1) { transition-delay: 0.05s; }
.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.15s; }
.service-card:nth-child(4) { transition-delay: 0.2s; }
.service-card:nth-child(5) { transition-delay: 0.25s; }
.service-card:nth-child(6) { transition-delay: 0.3s; }

/* ========== FORM ========== */
input:focus,
select:focus,
textarea:focus {
    border-color: #d4552b;
    box-shadow: 0 0 0 4px rgba(212, 85, 43, 0.1);
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #FDF8F0;
}

::-webkit-scrollbar-thumb {
    background: #f2a07e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4552b;
}

/* ========== SELECTION ========== */
::selection {
    background: #fce4d8;
    color: #96301b;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.15;
    }
}