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

body {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 400;
    color: #0C1D3A;
    background-color: #FDFCF8;
}

.font-playfair {
    font-family: 'Playfair Display', Georgia, serif;
}

.font-inter {
    font-family: 'Inter', system-ui, sans-serif;
}

/* ── Animations ── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ── Reveal on Scroll ── */
.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; }

/* ── Header ── */
#site-header {
    transition: background-color 0.5s ease, box-shadow 0.5s ease;
}

#site-header.scrolled {
    background-color: rgba(8, 17, 32, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #8ECAA8;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #8ECAA8 !important;
}

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

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-nav-link {
    position: relative;
}

.mobile-nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background-color: #8ECAA8;
    transition: width 0.3s ease;
}

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

/* Menu button animation */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
}

#mobile-menu-btn[aria-expanded="true"] .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

#mobile-menu-btn[aria-expanded="true"] .menu-line:nth-child(2) {
    opacity: 0;
}

#mobile-menu-btn[aria-expanded="true"] .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* ── Service Cards ── */
.service-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.service-card.revealed:nth-child(1) { transition-delay: 0s; }
.service-card.revealed:nth-child(2) { transition-delay: 0.1s; }
.service-card.revealed:nth-child(3) { transition-delay: 0.2s; }
.service-card.revealed:nth-child(4) { transition-delay: 0.3s; }
.service-card.revealed:nth-child(5) { transition-delay: 0.4s; }
.service-card.revealed:nth-child(6) { transition-delay: 0.5s; }

/* ── Gallery ── */
.gallery-item {
    opacity: 0;
    transform: scale(0.97);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item.revealed {
    opacity: 1;
    transform: scale(1);
}

/* ── Buttons ── */
button, a {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Selection ── */
::selection {
    background-color: #8ECAA8;
    color: #0C1D3A;
}

/* ── Focus Styles ── */
:focus-visible {
    outline: 2px solid #8ECAA8;
    outline-offset: 2px;
}

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

/* ── Responsive Utilities ── */
@media (max-width: 767px) {
    .font-playfair {
        line-height: 1.15;
    }
}

/* ── Print ── */
@media print {
    #site-header, #mobile-menu-btn, .reveal {
        display: none !important;
    }
    body {
        color: #000;
        background: #fff;
    }
}