/* ── Base & Reset ── */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: #0d9488;
    color: white;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0d9488;
}

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

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0d9488;
    transition: width 0.3s ease;
}

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

#navbar:not(.scrolled) .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

#navbar:not(.scrolled) .nav-link:hover {
    color: white;
}

#navbar:not(.scrolled) .nav-link::after {
    background: white;
}

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

#mobile-menu.open .mobile-link {
    animation: menuItemIn 0.4s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

#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 menuItemIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

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

#menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.25rem;
}

/* ── Hero Animations ── */
.hero-elem {
    opacity: 0;
    transform: translateY(30px);
    animation: heroIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-elem:nth-child(1) { animation-delay: 0.2s; }
.hero-elem:nth-child(2) { animation-delay: 0.4s; }
.hero-elem:nth-child(3) { animation-delay: 0.6s; }
.hero-elem:nth-child(4) { animation-delay: 0.8s; }

@keyframes heroIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-orb {
    animation: orbFloat 8s ease-in-out infinite;
}

.orb-1 { animation-delay: 0s; }
.orb-2 { animation-delay: -3s; }
.orb-3 { animation-delay: -5s; }

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ── 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);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(40px);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
    }

    .reveal-up.visible,
    .reveal-left.visible,
    .reveal-right.visible {
        opacity: 1;
        transform: none;
    }
}

/* ── Menu Card Hover ── */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

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

/* ── Smooth transitions for images ── */
img {
    display: block;
    max-width: 100%;
}

/* ── Print Styles ── */
@media print {
    #navbar, #contact-form, .reveal-up, .reveal-left, .reveal-right {
        display: none;
    }
    body {
        color: #000;
        background: #fff;
    }
}