/* ── Reset & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: color-mix(in srgb, #325021 30%, transparent);
    color: #11190a;
}

/* ── Utility ── */
.section-label {
    font-size: 11px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: #769f52;
    font-weight: 500;
}

/* ── Navbar ── */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(250, 250, 246, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(50, 80, 33, 0.08);
}

.nav-logo-color {
    color: #11190a;
    transition: color 0.3s ease;
}

.nav-sub-logo {
    color: #325021;
    transition: color 0.3s ease;
}

#navbar.scrolled .nav-logo-color {
    color: #11190a;
}

#navbar.scrolled .nav-sub-logo {
    color: #548235;
}

/* ── Mobile Menu ── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.menu-line {
    display: block;
    transition: all 0.3s ease;
}

.menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

.menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s 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; }

/* ── Hero Animations ── */
.hero-subtitle {
    animation: fadeUp 0.8s ease forwards 0.3s;
}

.hero-title {
    animation: fadeUp 0.8s ease forwards 0.5s;
}

.hero-desc {
    animation: fadeUp 0.8s ease forwards 0.7s;
}

.hero-cta {
    animation: fadeUp 0.8s ease forwards 0.9s;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Scroll Line Animation ── */
.scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ── Reveal Animations ── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ── Stagger children ── */
.reveal-up:nth-child(1) { transition-delay: 0.1s; }
.reveal-up:nth-child(2) { transition-delay: 0.2s; }
.reveal-up:nth-child(3) { transition-delay: 0.3s; }
.reveal-up:nth-child(4) { transition-delay: 0.4s; }
.reveal-up:nth-child(5) { transition-delay: 0.5s; }
.reveal-up:nth-child(6) { transition-delay: 0.6s; }

/* ── Input Focus ── */
input:focus,
textarea:focus {
    border-color: #548235 !important;
    background: #fff !important;
}

/* ── Smooth image loading ── */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.2;
    }
}