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

body {
    overflow-x: hidden;
}

::selection {
    background: #C06B4E;
    color: #FDF8F4;
}

/* ── Navbar ── */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(253, 249, 245, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

/* ── Hero ── */
#hero {
    min-height: 100vh;
    min-height: 100dvh;
}

/* ── Animations ── */
@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(5deg); }
}

@keyframes float-reverse {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(12px); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-slow {
    animation: float-slow 8s ease-in-out infinite;
}

.animate-float-reverse {
    animation: float-reverse 7s ease-in-out infinite;
}

/* ── Scroll Reveal ── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up {
    transform: translateY(0);
}

.reveal-left {
    transform: translateX(0);
}

.reveal-right {
    transform: translateX(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(32px);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-32px);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(32px);
    }
}

/* ── Menu Tabs ── */
.menu-tab {
    background: transparent;
    border: none;
    cursor: pointer;
    color: #78716c;
}

.menu-tab.active {
    background: #C06B4E;
    color: #fff;
    box-shadow: 0 4px 12px rgba(192, 107, 78, 0.3);
}

.menu-tab:not(.active):hover {
    color: #C06B4E;
}

.menu-content {
    animation: fadeIn 0.4s ease forwards;
}

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

/* ── Mobile Menu ── */
#mobile-menu.open {
    transform: translateX(0);
}

#mobile-menu.closed {
    transform: translateX(-100%);
}

/* ── Hamburger ── */
.menu-line {
    display: block;
}

.menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.25rem;
}

/* ── Mobile Links ── */
.mobile-link {
    opacity: 1;
    transform: none;
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #FDF8F4;
}

::-webkit-scrollbar-thumb {
    background: #E0BC96;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #C06B4E;
}

/* ── Focus ── */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid #C06B4E;
    outline-offset: 2px;
    border-radius: 4px;
}