/* === BASE STYLES === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: color-mix(in srgb, #334631 80%, transparent);
    color: #FAFAF5;
}

/* === NAVBAR === */
#navbar {
    background: transparent;
    transition: background 0.5s ease, box-shadow 0.5s ease, padding 0.5s ease;
}

#navbar.scrolled {
    background: rgba(250, 250, 245, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(51, 70, 49, 0.08);
}

#navbar.scrolled .font-serif,
#navbar.scrolled .nav-link {
    color: #2a3829;
}

#navbar.scrolled .nav-link {
    color: #3f573c;
}

/* === MOBILE MENU === */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s 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; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* Mobile menu button animation */
#mobile-menu-btn.active #bar1 {
    transform: rotate(45deg) translate(3px, 3px);
}

#mobile-menu-btn.active #bar2 {
    opacity: 0;
}

#mobile-menu-btn.active #bar3 {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.5rem;
}

/* === HERO ANIMATIONS === */
.hero-subtitle {
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
    transform: translateY(30px);
}

.hero-title {
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
    transform: translateY(30px);
}

.hero-desc {
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
    transform: translateY(30px);
}

.hero-cta {
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.8s;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes scrollLine {
    0%, 100% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* === REVEAL ANIMATIONS === */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }

/* === SERVICE CARDS === */
.service-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.5s ease;
}

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

/* === GALLERY === */
.group img {
    will-change: transform;
}

/* === FORM STYLES === */
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='%2372906a' 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 1rem center;
    appearance: none;
    -webkit-appearance: none;
}

input:focus, textarea:focus, select:focus {
    box-shadow: 0 0 0 1px color-mix(in srgb, #52734e 40%, transparent);
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #FAFAF5;
}

::-webkit-scrollbar-thumb {
    background: #9bb393;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #72906a;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.1;
    }
}