/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img { max-width: 100%; height: auto; display: block; }

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
#navbar.scrolled {
    background: rgba(250, 249, 246, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(6, 95, 70, 0.08);
}

/* ── Hero Animations ── */
.hero-anim {
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.8s ease forwards;
}
.hero-anim:nth-child(1) { animation-delay: 0.1s; }
.hero-anim:nth-child(2) { animation-delay: 0.25s; }
.hero-anim:nth-child(3) { animation-delay: 0.4s; }
.hero-anim:nth-child(4) { animation-delay: 0.55s; }
.hero-anim:nth-child(5) { animation-delay: 0.7s; }

.hero-img {
    opacity: 0;
    transform: translateX(32px);
    animation: slideRight 1s ease 0.3s forwards;
}

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideRight {
    to { opacity: 1; transform: translateX(0); }
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.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; }

/* ── 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, transparent, rgba(110, 231, 183, 0.4), transparent);
    transform: scaleX(0);
    transition: transform 0.5s ease;
}
.service-card:hover::before {
    transform: scaleX(1);
}

/* ── Mobile Menu ── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}
#mobile-menu.close {
    opacity: 0;
    pointer-events: none;
}
#mobile-menu.open .mobile-link {
    animation: fadeUp 0.5s ease forwards;
}
#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

/* ── Menu Button ── */
.menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}
.menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
.menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.5rem;
}

/* ── Contact Form ── */
.contact-form-wrap {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.contact-form-wrap.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Approach Steps ── */
.approach-step {
    opacity: 0;
    transform: translateX(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.approach-step.visible {
    opacity: 1;
    transform: translateX(0);
}
.approach-step:nth-child(1) { transition-delay: 0.1s; }
.approach-step:nth-child(2) { transition-delay: 0.2s; }
.approach-step:nth-child(3) { transition-delay: 0.3s; }

/* ── Custom Selection ── */
::selection {
    background: rgba(6, 95, 70, 0.15);
    color: #064e3b;
}

/* ── Smooth focus ── */
input:focus, textarea:focus {
    outline: none;
}
input::placeholder, textarea::placeholder {
    color: #a7f3d0;
}

/* ── Responsive tweaks ── */
@media (max-width: 767px) {
    .hero-img { animation-name: fadeUp; transform: translateY(24px); }
}