/* ── Base & Typography ── */
:root {
    --midnight: #0a1628;
    --mint: #22c55e;
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', system-ui, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    color: var(--midnight);
    background-color: #ffffff;
}

::selection {
    background-color: rgba(34, 197, 94, 0.2);
    color: var(--midnight);
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--mint);
    transition: width 0.3s ease;
}

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

#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(10, 22, 40, 0.06);
}

/* ── Mobile Menu ── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.open .mobile-link {
    animation: fadeDown 0.3s ease forwards;
    opacity: 0;
}

#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; }

@keyframes fadeDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Hero Animations ── */
.hero-anim {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero-anim:nth-child(1) { transition-delay: 0.1s; }
.hero-anim:nth-child(2) { transition-delay: 0.2s; }
.hero-anim:nth-child(3) { transition-delay: 0.35s; }
.hero-anim:nth-child(4) { transition-delay: 0.5s; }

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

.hero-anim {
    animation: heroReveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-anim:nth-child(1) { animation-delay: 0.15s; }
.hero-anim:nth-child(2) { animation-delay: 0.3s; }
.hero-anim:nth-child(3) { animation-delay: 0.5s; }
.hero-anim:nth-child(4) { animation-delay: 0.65s; }

.hero-img-anim {
    animation: imgReveal 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

@keyframes imgReveal {
    from { opacity: 0; transform: scale(1.03); }
    to { opacity: 1; transform: scale(1); }
}

/* ── Scroll Line ── */
@keyframes scrollLine {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

.animate-scroll-line {
    animation: scrollLine 1.8s ease-in-out infinite;
}

/* ── Section Reveals ── */
.section-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .section-reveal.revealed {
        animation: revealUp 0.75s cubic-bezier(0.22, 1, 0.36, 1) both;
    }
}

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

/* ── Service Cards ── */
.service-card {
    transition: background-color 0.3s ease;
}

.service-card:hover {
    background-color: rgba(240, 253, 244, 0.5);
}

.service-card:hover svg {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.service-card svg {
    transition: transform 0.3s ease;
}

/* ── Custom Select ── */
select option {
    background-color: #ffffff;
    color: var(--midnight);
    padding: 8px;
}

/* ── Focus Styles ── */
input:focus,
textarea:focus,
select:focus {
    outline: none;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f0f4f8;
}

::-webkit-scrollbar-thumb {
    background: rgba(10, 22, 40, 0.2);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(10, 22, 40, 0.4);
}

/* ── Utility ── */
@media (max-width: 767px) {
    .hero-anim {
        animation-duration: 0.7s;
    }
}