/* ===== BASE & RESET ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(156, 31, 56, 0.15);
    color: #6e1a2e;
}

/* ===== NAVBAR ===== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(255, 248, 248, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(156, 31, 56, 0.08);
}

#navbar.scrolled .nav-logo {
    color: #6e1a2e;
}

#navbar.scrolled .nav-link {
    color: #6e1a2e;
}

#navbar.scrolled .nav-menu-btn span {
    background: #6e1a2e;
}

/* ===== MOBILE MENU ===== */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

#mobileMenu.open .mobile-link {
    animation: fadeUp 0.4s ease forwards;
}

#mobileMenu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== HERO ANIMATIONS ===== */
.hero-subtitle {
    animation: heroFadeUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

.hero-title {
    animation: heroFadeUp 0.8s ease 0.5s forwards;
    opacity: 0;
}

.hero-desc {
    animation: heroFadeUp 0.8s ease 0.7s forwards;
    opacity: 0;
}

.hero-cta {
    animation: heroFadeUp 0.8s ease 0.9s forwards;
    opacity: 0;
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SCROLL LINE ===== */
.scroll-line-fill {
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(-100%); }
    50% { transform: translateY(100%); }
    100% { transform: translateY(100%); }
}

/* ===== REVEAL ANIMATIONS (below fold only, progressive enhancement) ===== */
.reveal-up,
.reveal-left,
.reveal-right {
    /* Default state: visible for no-JS fallback */
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 0;
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal-up {
        transform: translateY(30px);
    }
    
    .reveal-left {
        transform: translateX(-30px);
    }
    
    .reveal-right {
        transform: translateX(30px);
    }
    
    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* ===== FORM FOCUS STYLES ===== */
input:focus,
textarea:focus {
    border-color: #9c1f38 !important;
}

input:focus::placeholder,
textarea:focus::placeholder {
    color: transparent;
}

/* ===== SMOOTH IMAGE LOADING ===== */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* ===== ACCESSIBILITY ===== */
@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;
    }
}

/* ===== FOCUS VISIBLE ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #9c1f38;
    outline-offset: 3px;
}

/* ===== RESPONSIVE TWEAKS ===== */
@media (max-width: 767px) {
    .font-serif {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }
}