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

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

body {
    min-height: 100vh;
}

/* ========== NAV LINKS ========== */
.nav-link {
    position: relative;
    padding-bottom: 2px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: currentColor;
    transition: width 0.3s ease;
}

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

/* ========== MOBILE NAV ========== */
.mobile-nav-link {
    position: relative;
    padding-left: 0;
    transition: padding-left 0.2s ease;
}

.mobile-nav-link:hover {
    padding-left: 12px;
}

/* ========== HEADER SCROLL ========== */
#header.scrolled {
    box-shadow: 0 1px 20px rgba(123, 45, 59, 0.08);
}

/* ========== REVEAL ANIMATIONS ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.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; }

/* ========== DECORATIVE SVG PATTERN ========== */
.section-pattern {
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%237B2D3B' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

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

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

::-webkit-scrollbar-track {
    background: #FDFBF7;
}

::-webkit-scrollbar-thumb {
    background: #d4a0aa;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7B2D3B;
}

/* ========== SELECTION ========== */
::selection {
    background: rgba(123, 45, 59, 0.15);
    color: #4a1720;
}