/* ===== Base & Typography ===== */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(232, 160, 16, 0.3);
    color: white;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #102a43;
}
::-webkit-scrollbar-thumb {
    background: #334e68;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #486581;
}

/* ===== Navbar ===== */
#navbar {
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transition: background-color 0.5s ease, backdrop-filter 0.5s ease, box-shadow 0.5s ease;
}

#navbar.scrolled {
    background-color: rgba(10, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ===== Mobile Menu ===== */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s 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; }

/* ===== Hero Animations ===== */
.hero-tag {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.3s;
    opacity: 0;
}

.hero-title {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.5s;
    opacity: 0;
}

.hero-sub {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.7s;
    opacity: 0;
}

.hero-ctas {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.9s;
    opacity: 0;
}

.hero-scroll {
    animation: fadeIn 0.8s ease forwards;
    animation-delay: 1.3s;
    opacity: 0;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== Hero Orbs ===== */
.hero-orb {
    animation: float 8s ease-in-out infinite;
}

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

@keyframes float {
    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 Indicator ===== */
.scroll-dot {
    animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: 0; opacity: 1; }
    50% { top: 100%; opacity: 0.5; }
    100% { top: 100%; opacity: 0; }
}

/* ===== Scroll Reveal ===== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

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

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

/* Reduced motion: keep everything visible */
@media (prefers-reduced-motion: reduce) {
    .reveal-up,
    .reveal-left,
    .reveal-right {
        transform: none;
        opacity: 1;
    }
    
    .hero-tag,
    .hero-title,
    .hero-sub,
    .hero-ctas,
    .hero-scroll {
        animation: none;
        opacity: 1;
    }
    
    .hero-orb {
        animation: none;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ===== Button Focus ===== */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #e8a010;
    outline-offset: 2px;
}

/* ===== Image Aspect Ratios ===== */
img {
    display: block;
}

/* ===== Smooth image loading ===== */
img {
    transition: opacity 0.3s ease;
}

img[loading="lazy"] {
    opacity: 0;
}

img.loaded {
    opacity: 1;
}

/* ===== Section divider line ===== */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(232, 160, 16, 0.3), transparent);
}