/* Base & Typography */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(6, 95, 70, 0.15);
    color: #065f46;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #faf8f4;
}
::-webkit-scrollbar-thumb {
    background: rgba(6, 95, 70, 0.2);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(6, 95, 70, 0.4);
}

/* Navigation */
.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%;
}

#navbar.scrolled {
    background: rgba(250, 248, 244, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(6, 95, 70, 0.06);
}

/* Mobile Menu */
#mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}
#mobile-menu.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}
#mobile-menu.active .menu-line:nth-child(2) {
    transform: rotate(-45deg) translate(0, 0);
}
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
#mobile-menu.active .mobile-link {
    opacity: 1;
    transform: translateY(0);
}
#mobile-menu.active .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.active .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.active .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.active .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.active .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* Hero Animations */
.hero-subtitle {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.2s;
}
.hero-title {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-title:nth-of-type(1) { animation-delay: 0.35s; }
.hero-title:nth-of-type(2) { animation-delay: 0.5s; }
.hero-desc {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.65s;
}
.hero-cta {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.8s;
}
.hero-image-wrapper {
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.5s;
    opacity: 0;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Service Cards */
.service-card {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.service-card:hover {
    background: #ffffff;
}

/* About Image */
.about-image-wrapper {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.about-image-wrapper:hover {
    transform: translateY(-4px);
}

/* Approach Cards */
.approach-card {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.approach-card:hover {
    background: rgba(6, 78, 59, 0.85);
}
.approach-card:hover .font-serif {
    color: #faf8f4;
}

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    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; }

/* Form */
input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(6, 95, 70, 0.08);
}

/* Smooth image loading */
img {
    image-rendering: auto;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem !important;
    }
}