/* ===== 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(123, 36, 52, 0.15);
    color: #7B2434;
}

/* ===== NAVBAR ===== */
#site-header {
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#site-header.scrolled {
    background: rgba(255, 251, 247, 0.92);
    backdrop-blur-xl;
    box-shadow: 0 1px 20px rgba(123, 36, 52, 0.07);
}

.nav-link {
    position: relative;
}

/* ===== HERO FLOATING CARDS ===== */
@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float-medium {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes float-fast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

@keyframes float-drift {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-10px) translateX(5px); }
}

.hero-card-1 { animation: float-slow 6s ease-in-out infinite; }
.hero-card-2 { animation: float-medium 5s ease-in-out infinite 0.5s; }
.hero-card-3 { animation: float-fast 4s ease-in-out infinite 1s; }
.hero-card-4 { animation: float-drift 7s ease-in-out infinite 0.3s; }

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

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #7B2434, #df7d56);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::after {
    transform: scaleX(1);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }

    .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(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.mobile-nav-link {
    display: block;
}

/* ===== BUTTONS ===== */
a, button {
    -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #7B2434;
    outline-offset: 2px;
}

/* ===== FORM INPUTS ===== */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 4px rgba(123, 36, 52, 0.08);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
    .font-serif {
        font-size: 2.25rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .font-serif {
        font-size: 3rem;
    }
}

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

::-webkit-scrollbar-track {
    background: #FFFBF7;
}

::-webkit-scrollbar-thumb {
    background: #f9cfd9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #f4a3b8;
}