*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
}

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    color: #1e293b;
    background-color: #ffffff;
}

.font-inter { font-family: var(--font-sans); }
.font-playfair { font-family: var(--font-serif); }

/* Scroll line animation */
@keyframes scrollLine {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(400%); }
}
.scroll-line { animation: scrollLine 1.8s ease-in-out infinite; }

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

/* Nav scroll state */
nav.scrolled {
    background: rgba(4, 47, 46, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

nav.scrolled .nav-line {
    background: rgba(255,255,255,0.9);
}

/* Mobile menu */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

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

body.menu-open .mobile-link:nth-child(1) { transition-delay: 0.08s; }
body.menu-open .mobile-link:nth-child(2) { transition-delay: 0.16s; }
body.menu-open .mobile-link:nth-child(3) { transition-delay: 0.24s; }
body.menu-open .mobile-link:nth-child(4) { transition-delay: 0.32s; }
body.menu-open .mobile-link:nth-child(5) { transition-delay: 0.40s; }

/* Hamburger animation */
.menu-open .nav-line:nth-child(1) {
    transform: rotate(45deg) translate(2px, 2px);
    width: 28px;
}
.menu-open .nav-line:nth-child(2) {
    transform: rotate(-45deg) translate(1px, -1px);
    width: 28px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html { scroll-behavior: auto; }
    .scroll-line { animation: none; }
    .reveal { opacity: 1; transform: translateY(0); }
}

/* Selection */
::selection {
    background: rgba(13, 148, 136, 0.2);
    color: #0f766e;
}
</style>