/* ── 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: #166534;
    color: #faf9f6;
}

/* ── Hero Gradient ── */
.hero-gradient {
    background: linear-gradient(135deg, #0b3a1e 0%, #166534 35%, #115029 65%, #062513 100%);
}

.hero-pattern {
    background-image:
        radial-gradient(circle at 20% 80%, rgba(217, 240, 204, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(184, 224, 160, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(140, 201, 110, 0.04) 0%, transparent 60%);
}

/* ── Animations ── */
@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation: fade-up 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Hidden by default for progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

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

#navbar.scrolled {
    background: rgba(250, 249, 246, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(22, 101, 52, 0.08);
}

/* ── Mobile Menu ── */
.menu-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: translateX(-50%) rotate(45deg);
    top: 50%;
    margin-top: -1px;
}

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

#menu-btn.active .menu-line:nth-child(3) {
    transform: translateX(-50%) rotate(-45deg);
    top: 50%;
    margin-top: -1px;
}

/* ── Form Focus States ── */
input:focus, textarea:focus {
    border-bottom-color: #166534 !important;
}

/* ── Smooth Scroll Offset ── */
section[id] {
    scroll-margin-top: 80px;
}

/* ── Transition Helpers ── */
a, button {
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Image Hover ── */
img {
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Print ── */
@media print {
    .hero-gradient, .hero-pattern, #navbar, .reveal {
        display: block !important;
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
        background: none !important;
    }
    body {
        color: #000;
        background: #fff;
    }
}