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

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

body {
    overflow-x: hidden;
}

::selection {
    background: #5eead4;
    color: #050d1a;
}

/* ── Navigation ── */
.nav-link {
    position: relative;
    color: #0a1628;
    text-decoration: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #5eead4;
    transition: width 0.3s ease;
}

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

.nav-link-text {
    color: #0a1628;
}

#navbar.scrolled .nav-link-text,
#navbar.scrolled .nav-link {
    color: #0a1628;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(10, 22, 40, 0.06);
}

/* ── Mobile Menu ── */
.mobile-menu-link {
    text-decoration: none;
}

.mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

/* ── Floating Cards ── */
@keyframes float-1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float-2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes float-3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.floating-card-1 {
    animation: float-1 4s ease-in-out infinite;
}

.floating-card-2 {
    animation: float-2 5s ease-in-out infinite;
}

.floating-card-3 {
    animation: float-3 4.5s ease-in-out infinite;
}

/* ── Service Cards ── */
.service-card {
    transition: background 0.3s ease;
}

.service-card:hover {
    background: #f0fdf9;
}

/* ── Gallery ── */
.gallery-item {
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(5, 13, 26, 0);
    transition: background 0.3s ease;
}

.gallery-item:hover::after {
    background: rgba(5, 13, 26, 0.1);
}

.gallery-item {
    position: relative;
}

/* ── Scroll Reveal ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .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; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

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

/* ── Select arrow ── */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230a1628' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.25rem center;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .font-serif {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }
}