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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Hero text animation */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.8s cubic-bezier(0.22, 1, 0.36, 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; }

/* ── Navigation ── */
#site-header {
    background: transparent;
}

#site-header.scrolled {
    background: rgba(10, 15, 26, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

#site-header.scrolled #nav-logo-text {
    color: #fff;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #2dd4bf;
    transition: width 0.3s ease;
}

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

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

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

.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    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; }

/* Hamburger animation */
#mobile-toggle.active #bar1 {
    transform: rotate(45deg) translate(5px, 5px);
}

#mobile-toggle.active #bar2 {
    opacity: 0;
}

#mobile-toggle.active #bar3 {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
}

/* ── Gallery hover ── */
@media (hover: hover) {
    .overflow-hidden img {
        transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
}

/* ── Form styles ── */
input:focus, select:focus, textarea:focus {
    border-color: #0d9488 !important;
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

select option {
    background: #1e293b;
    color: #fff;
}

/* ── Selection ── */
::selection {
    background: rgba(13, 148, 136, 0.3);
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* ── Responsive adjustments ── */
@media (max-width: 767px) {
    html {
        scroll-padding-top: 70px;
    }

    #hero h1 {
        font-size: 2.75rem;
    }

    #hero h1 br {
        display: none;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    #hero h1 {
        font-size: 4.5rem;
    }
}

/* ── Print ── */
@media print {
    #site-header, #gallery, .reveal {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }
}