/* ── Base & Reset ── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: #030814;
    color: #ffffff;
}

::selection {
    background-color: rgba(16, 185, 129, 0.3);
    color: #ffffff;
}

/* ── Navbar ── */
#navbar {
    background: transparent;
    backdrop-filter: none;
}

#navbar.scrolled {
    background: rgba(3, 8, 20, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #10b981;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #34d399 !important;
}

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

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

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

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

#menuBtn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }
#mobileMenu.open .mobile-link:nth-child(6) { transition-delay: 0.35s; }

/* ── Hero ── */
.hero-shape {
    animation: float 8s ease-in-out infinite;
}

.hero-shape:nth-child(2) {
    animation-delay: -2s;
    animation-duration: 10s;
}

.hero-shape:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 12s;
}

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

/* ── Screen Cards ── */
.screen-card {
    position: relative;
    overflow: hidden;
}

.screen-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    border: 1px solid transparent;
    transition: border-color 0.5s ease;
    pointer-events: none;
}

.screen-card:hover::after {
    border-color: rgba(16, 185, 129, 0.3);
}

/* ── Gallery ── */
.gallery-item {
    position: relative;
    overflow: hidden;
}

.gallery-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(3, 8, 20, 0.4) 0%, transparent 50%);
    z-index: 1;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.gallery-item:hover::before {
    opacity: 1;
}

/* ── Scroll Animations ── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    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; }

/* ── Button Hover Glow ── */
button:hover,
a:hover {
    cursor: pointer;
}

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

/* ── Responsive ── */
@media (max-width: 768px) {
    .font-grotesk {
        font-size: clamp(1.5rem, 5vw, 2.5rem);
    }
}

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