/* ===== RESET & BASE ===== */
*, *::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-color: rgba(123, 45, 59, 0.15);
    color: #3d141a;
}

/* ===== NAVIGATION ===== */
#site-header {
    background: rgba(253, 248, 245, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(123, 45, 59, 0.08);
}

#site-header.scrolled {
    background: rgba(253, 248, 245, 0.95);
    box-shadow: 0 1px 20px rgba(123, 45, 59, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #7B2D3B;
    transition: width 0.3s ease;
}

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

/* ===== MOBILE MENU ===== */
.menu-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 2px;
    background-color: #7B2D3B;
    border-radius: 2px;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.menu-line.top { top: 10px; }
.menu-line.middle { top: 16px; }
.menu-line.bottom { top: 22px; }

#menu-btn.active .menu-line.top {
    top: 16px;
    transform: translateX(-50%) rotate(45deg);
}

#menu-btn.active .menu-line.middle {
    opacity: 0;
    transform: translateX(-50%) scaleX(0);
}

#menu-btn.active .menu-line.bottom {
    top: 16px;
    transform: translateX(-50%) rotate(-45deg);
}

/* ===== SERVICE CARDS ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: #7B2D3B;
    transition: height 0.5s ease;
}

.service-card:hover::before {
    height: 100%;
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
    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 LINKS ===== */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

.mobile-menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

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

/* ===== IMAGE HOVER ===== */
.relative.rounded-2xl.overflow-hidden img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.relative.rounded-2xl.overflow-hidden:hover img {
    transform: scale(1.03);
}

/* ===== FORM INPUTS ===== */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(123, 45, 59, 0.1);
}

/* ===== SUBTLE PATTERN BACKGROUND ===== */
section.bg-cream::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(123, 45, 59, 0.03) 1px, transparent 0);
    background-size: 32px 32px;
    pointer-events: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.1;
    }
}