/* ── Base & Reset ── */
*, *::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: rgba(26, 77, 46, 0.2);
    color: inherit;
}

/* ── Header Scroll State ── */
#header {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

#header.scrolled {
    background: rgba(250, 250, 247, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(26, 77, 46, 0.08);
}

#header.scrolled .nav-link {
    color: #1a4d2e;
}

#header.scrolled .nav-link:hover {
    color: #2d5f35;
}

#header.scrolled .mobile-nav-link {
    color: #1a4d2e;
}

#header.scrolled .menu-line {
    background: #1a4d2e;
}

/* ── Nav Links ── */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

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

/* ── Mobile Menu ── */
#mobileMenu.open {
    transform: translateX(0);
}

#mobileMenu .menu-line {
    transition: all 0.3s ease;
}

#mobileMenu.open .menu-line:first-child {
    transform: rotate(45deg);
    top: 47%;
}

#mobileMenu.open .menu-line:last-child {
    transform: rotate(-45deg);
    top: 53%;
}

/* ── Hero Animations ── */
.hero-elem {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero-elem.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Section Reveal ── */
.section-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Service Cards ── */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #1a4d2e, #477d4e);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* ── Form Styles ── */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2393b896' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.25rem center;
    padding-right: 2.5rem;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f5f5f0;
}

::-webkit-scrollbar-thumb {
    background: #bcd3be;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #93b896;
}

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

@media (min-width: 768px) {
    .service-card:hover {
        background: #1a4d2e;
    }
}