/* ========== BASE & RESET ========== */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

::selection {
    background-color: rgba(212, 168, 75, 0.3);
    color: #1B4332;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #FAF8F2;
}

::-webkit-scrollbar-thumb {
    background: #93bba5;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #478065;
}

/* ========== HERO ANIMATIONS ========== */
@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
    50% { opacity: 1; }
    100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}

.animate-scroll-line {
    animation: scrollLine 2s ease-in-out infinite;
}

/* ========== REVEAL ANIMATIONS (below the fold only) ========== */
.reveal-up {
    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);
}

/* ========== NAVBAR ========== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(253, 252, 248, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(27, 67, 50, 0.08);
}

#navbar.scrolled .font-serif,
#navbar.scrolled .text-forest-800 {
    color: #1B4332;
}

#navbar.scrolled .text-forest-600,
#navbar.scrolled .text-forest-700 {
    color: #2f644e;
}

.menu-line {
    display: block;
}

/* Mobile menu open state */
.mobile-menu-open #mobile-menu {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu-open .menu-line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-open .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-open .menu-line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ========== SERVICE CARDS ========== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: #D4A84B;
    transition: height 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card:hover::before {
    height: 100%;
}

/* ========== SPECIALTY ITEMS ========== */
.specialty-item {
    position: relative;
}

.specialty-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #D4A84B;
    transition: width 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.specialty-item:hover::after {
    width: 60%;
}

/* ========== ABOUT IMAGE ========== */
.about-image {
    position: relative;
}

.about-image img {
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.about-image:hover img {
    transform: scale(1.02);
}

/* ========== SECTION LABELS ========== */
.section-label {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-title {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.section-desc {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.section-label.visible,
.section-title.visible,
.section-desc.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== SERVICE CARDS REVEAL ========== */
.service-card {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== SPECIALTY ITEMS REVEAL ========== */
.specialty-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.specialty-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== ABOUT SECTION REVEAL ========== */
.about-image {
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.about-image.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-content {
    opacity: 0;
    transform: translateX(24px);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.about-content.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ========== BACK TO TOP ========== */
#back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* ========== 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;
    }

    .reveal-up {
        opacity: 1;
        transform: none;
    }

    .service-card,
    .specialty-item,
    .about-image,
    .about-content,
    .section-label,
    .section-title,
    .section-desc {
        opacity: 1;
        transform: none;
    }
}

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