/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; }
body {
    background: #fafaf8;
    color: #2d1114;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f5f0eb; }
::-webkit-scrollbar-thumb { background: #c47e7a; border-radius: 3px; }

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.5s ease, box-shadow 0.5s ease;
}
#navbar.scrolled {
    background: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(118, 49, 55, 0.08);
}
.nav-logo {
    transition: color 0.3s ease;
}

/* ── Hero Animations ── */
.hero-title {
    transform: translateY(110%);
    animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}
.hero-subtitle {
    transform: translateY(100%);
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
}
.hero-desc {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}
.hero-img-wrap {
    opacity: 0;
    transform: scale(1.05);
    animation: imgReveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
}
@keyframes slideUp {
    to { transform: translateY(0); }
}
@keyframes fadeIn {
    to { opacity: 1; transform: translateY(0); }
}
@keyframes imgReveal {
    to { opacity: 1; transform: scale(1); }
}
@keyframes scroll-line {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}
.scroll-line {
    animation: scroll-line 1.5s ease-in-out infinite;
}

/* ── Reveal on Scroll ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.hidden-reveal {
    opacity: 0;
    transform: translateY(30px);
}
.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; }

/* ── Service Cards ── */
.service-card {
    border-bottom: 1px solid rgba(118, 49, 55, 0.08);
    border-right: 1px solid rgba(118, 49, 55, 0.08);
    transition: background 0.4s ease;
}
.service-card:first-child {
    border-top: 1px solid rgba(118, 49, 55, 0.08);
}

/* ── Gallery ── */
.gallery-img {
    overflow: hidden;
}
.gallery-img img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Mobile Menu ── */
#mobile-menu {
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}
.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 Toggle ── */
.menu-line-1 {
    transform-origin: center;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.menu-line-2 {
    transform-origin: center;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
body.menu-open .menu-line-1 {
    transform: translateY(5px) rotate(45deg);
}
body.menu-open .menu-line-2 {
    transform: translateY(-5px) rotate(-45deg);
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal.hidden-reveal {
        opacity: 1;
        transform: none;
    }
    html { scroll-behavior: auto; }
}

/* ── Responsive ── */
@media (max-width: 767px) {
    .font-serif.text-5xl { font-size: 2.75rem; }
    .font-serif.text-4xl { font-size: 2.25rem; }
}