/* ========== BASE & RESET ========== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(16, 185, 129, 0.3);
    color: #ecfdf5;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #030806;
}
::-webkit-scrollbar-thumb {
    background: #065f46;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #059669;
}

/* ========== REVEAL ANIMATIONS (progressive enhancement) ========== */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal-up {
        transform: translateY(0);
    }
    .reveal-left {
        transform: translateX(0);
    }
    .reveal-right {
        transform: translateX(0);
    }
}

/* Hidden state for JS-enhanced reveals */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        transform: translateY(30px);
        opacity: 0;
    }
    .reveal-left {
        transform: translateX(-30px);
        opacity: 0;
    }
    .reveal-right {
        transform: translateX(30px);
        opacity: 0;
    }
    
    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translateY(0) translateX(0);
    }
}

/* For no-JS fallback: ensure all content is visible */
.no-js .reveal-up,
.no-js .reveal-left,
.no-js .reveal-right {
    opacity: 1;
    transform: none;
}

/* ========== NAVBAR ========== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(3, 8, 6, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(5, 150, 105, 0.15);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

#navbar.scrolled .menu-line {
    background: #ecfdf5;
}

/* ========== MOBILE MENU ========== */
.mobile-link {
    opacity: 1;
    transform: none;
}

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

#mobileMenu.open .mobile-link {
    animation: fadeSlideIn 0.4s ease forwards;
}

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

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== HAMBURGER ANIMATION ========== */
.menu-line {
    transition: all 0.3s ease;
}

#menuToggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
#menuToggle.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menuToggle.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== HERO ========== */
#hero {
    position: relative;
}

/* ========== CARD HOVER EFFECTS ========== */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* ========== SMOOTH SECTION TRANSITIONS ========== */
section {
    position: relative;
}

/* ========== GOLD ACCENT ANIMATIONS ========== */
@keyframes shimmer {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ========== FOCUS STYLES ========== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #34d399;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ========== RESPONSIVE TYPE ========== */
@media (max-width: 640px) {
    .font-serif {
        line-height: 1.1;
    }
}

/* ========== LOADING STATE (prevents FOUC) ========== */
html.no-js body {
    opacity: 1;
}