/* ─── Base & Utilities ─── */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

/* ─── Navbar ─── */
#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(6, 79, 70, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #16a34a;
    border-radius: 1px;
    transition: width 0.25s ease;
}

.nav-link:hover::after {
    width: 100%;
}

#navbar.scrolled .nav-link {
    color: #065f46;
}

#navbar.scrolled .nav-link::after {
    background: #16a34a;
}

/* ─── Buttons ─── */
.btn-primary {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    color: #fff;
    border-radius: 1rem;
    padding: 0.75rem 1.75rem;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    box-shadow: 0 4px 15px rgba(22, 163, 74, 0.3);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(22, 163, 74, 0.4);
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 1rem;
    padding: 0.75rem 1.75rem;
    font-weight: 700;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* ─── Badges ─── */
.badge-green {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #065f46;
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    border: 1px solid rgba(22, 163, 74, 0.2);
}

.badge-cream {
    background: rgba(254, 253, 248, 0.15);
    color: #fef9ee;
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    border: 1px solid rgba(254, 253, 248, 0.25);
}

/* ─── Hero Stat Cards ─── */
.stat-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-card:nth-child(1) { animation: float1 6s ease-in-out infinite; }
.stat-card:nth-child(2) { animation: float2 7s ease-in-out infinite; }
.stat-card:nth-child(3) { animation: float3 5.5s ease-in-out infinite; }
.stat-card:nth-child(4) { animation: float4 6.5s ease-in-out infinite; }

@keyframes float1 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
@keyframes float2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}
@keyframes float3 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@keyframes float4 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ─── Site Cards ─── */
.site-card {
    background: #fff;
    border-radius: 1.5rem;
    padding: 1.25rem;
    box-shadow: 0 4px 25px rgba(6, 79, 70, 0.06);
    border: 1px solid rgba(6, 79, 70, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.site-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(6, 79, 70, 0.12);
}

/* ─── Experience Cards ─── */
.experience-card {
    transition: transform 0.3s ease, background 0.3s ease;
}

.experience-card:hover {
    transform: translateY(-4px);
}

/* ─── Scroll Reveal ─── */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Default state: already visible (progressive enhancement) */
/* JS adds .revealed class for the animation timing */

/* ─── Mobile Menu ─── */
.mobile-nav-link {
    display: block;
}

/* ─── Responsive ─── */
@media (max-width: 767px) {
    .font-display {
        line-height: 1.15;
    }
}

/* ─── Reduced Motion ─── */
@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;
    }
    .scroll-reveal {
        opacity: 1;
        transform: none;
    }
}

/* ─── Focus Styles ─── */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #16a34a;
    outline-offset: 2px;
    border-radius: 0.5rem;
}

/* ─── Selection ─── */
::selection {
    background: rgba(22, 163, 74, 0.2);
    color: #064e3b;
}