/* Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(6, 78, 59, 0.2);
    color: #064e3b;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #fefdf8;
}

::-webkit-scrollbar-thumb {
    background: #065f46;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #047857;
}

/* Navigation */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #065f46;
    transition: width 0.3s ease;
}

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

/* 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; }

/* Menu lines animation */
.menu-line {
    transition: all 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

#menu-btn.active .menu-line:nth-child(3) {
    width: 20px;
    margin-left: 0;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Navbar scroll state */
#navbar.scrolled {
    background-color: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(6, 78, 59, 0.08);
}

#navbar.scrolled .nav-link {
    color: rgba(6, 78, 59, 0.7);
}

#navbar.scrolled .nav-link:hover {
    color: #064e3b;
}

#navbar.scrolled .menu-line {
    background-color: #064e3b;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

@keyframes float-delay {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-15px) scale(1.03); }
}

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

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delay {
    animation: float-delay 8s ease-in-out infinite;
    animation-delay: 1s;
}

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

/* 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.revealed {
    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; }

/* Menu item hover */
#menu ul li {
    position: relative;
    padding-left: 0;
}

#menu ul li:not(:last-child) {
    padding-bottom: 0;
}

#menu ul li::before {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(6, 95, 70, 0.1), transparent);
    position: absolute;
    bottom: 0;
    left: 0;
}

#menu ul li:last-child::before {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }
}

/* Print styles */
@media print {
    #navbar, .animate-float, .animate-float-delay, .animate-scroll-line {
        display: none;
    }
}