/* ===== Custom Styles for Copper Nickel - Aurora ===== */

/* Base & Typography */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    color: #0a1628;
    background: #ffffff;
}

.font-serif {
    font-family: 'Playfair Display', Georgia, serif;
}

/* Section Eyebrow */
.section-eyebrow {
    letter-spacing: 0.2em;
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

/* ===== Hero Animations ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

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

.orb-1 {
    animation-delay: 0s;
    animation-duration: 10s;
}

.orb-2 {
    animation-delay: -3s;
    animation-duration: 12s;
}

.orb-3 {
    animation-delay: -5s;
    animation-duration: 8s;
}

/* Hero entrance animations */
.hero-eyebrow {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.2s;
}

.hero-headline {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.4s;
}

.hero-subtitle {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.6s;
}

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

.hero-scroll {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 1.1s;
}

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

/* ===== Scroll Reveal ===== */
.reveal-up,
.reveal-left,
.reveal-right {
    /* Default state: visible for accessibility */
    opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* ===== Mobile Menu ===== */
.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(6) { transition-delay: 0.3s; }

/* Mobile menu button animation */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

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

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

/* ===== Image Hover Effects ===== */
.rounded-2xl.overflow-hidden {
    overflow: hidden;
}

.rounded-2xl.overflow-hidden img {
    transition: transform 0.7s ease;
}

.rounded-2xl.overflow-hidden:hover img {
    transform: scale(1.05);
}

/* ===== Divider Accent ===== */
.w-px.h-10.bg-mint-400 {
    opacity: 0.6;
}

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

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: #5eead4;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8ee4cd;
}

/* ===== Selection ===== */
::selection {
    background: #5eead4;
    color: #0a1628;
}

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #5eead4;
    outline-offset: 4px;
    border-radius: 4px;
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.1;
    }
    
    #hero h1 {
        font-size: 2.75rem;
    }
    
    @media (min-width: 768px) {
        #hero h1 {
            font-size: 3.5rem;
        }
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}